1000
5
b?aac
5
?aaac
5
ac?cc
5
?bcca
5
?bc?b
5
?aa?b
5
acbb?
5
caccb
5
c????
5
?a?ab
5
bb??a
5
aaabc
5
cabb?
5
???ba
5
accaa
5
a?aab
5
c?b?b
5
bbbab
5
?caa?
5
bbaa?
5
b?bcc
5
a?cca
5
?c?ca
5
abcb?
5
ba?ac
5
cb?c?
5
cb?cc
5
c??bb
5
caccc
5
c??b?
5
?b?cb
5
?cbba
5
bcba?
5
acbac
5
acbca
5
a??ba
5
?aaab
5
b?cb?
5
ca?ba
5
bbabb
5
?caac
5
aaa?c
5
cca??
5
cbc?b
5
caaca
5
bb?ba
5
bba??
5
ab??b
5
acaab
5
bbbbc
5
bbbba
5
baaac
5
acbbc
5
ac??b
5
??aba
5
ca?cc
5
c?cbc
5
bccba
5
?bcb?
5
?b?aa
5
cac?b
5
caa?b
5
baccc
5
ba?bb
5
??a?c
5
?abca
5
cbaba
5
caaaa
5
caabc
5
bbaca
5
b??cc
5
acaba
5
bbca?
5
aac?b
5
ba???
5
baabb
5
bcbbc
5
?bba?
5
?ab?c
5
????b
5
?acc?
5
cbb?a
5
acc??
5
a?ccb
5
?ca?c
5
caba?
5
?ccc?
5
cbcac
5
cabcb
5
bcb?c
5
bbbaa
5
c???c
5
bcca?
5
cc?bc
5
abcbc
5
ccbb?
5
ca?ac
5
ab?ac
5
abba?
5
c?baa
5
ababb
5
?a?a?
5
?cbaa
5
acbaa
5
???c?
5
ba?a?
5
caaab
5
?ccba
5
a?ac?
5
a???a
5
caacb
5
??a??
5
ccaba
5
aaa?a
5
c?bac
5
baa??
5
?acbb
5
??cb?
5
?b?a?
5
?ba?b
5
ac?cb
5
?a?aa
5
cc??b
5
?abba
5
acca?
5
??cbc
5
bbb??
5
a??c?
5
cbcbc
5
ac?b?
5
??c?c
5
abbac
5
baa?b
5
aac?c
5
??caa
5
aaac?
5
abbb?
5
?b?cc
5
c?acc
5
b????
5
????a
5
bc?ca
5
ac?aa
5
a?a?b
5
?cabb
5
abcbb
5
accab
5
cbab?
5
b?cc?
5
b??ca
5
cc?bb
5
b?ac?
5
c?aca
5
?c?ba
5
acaac
5
ccac?
5
?bcac
5
??b?a
5
?bbab
5
a?b?b
5
accb?
5
ba?cb
5
bbbc?
5
bacba
5
?aca?
5
?b??a
5
bb?cb
5
c??ab
5
c?bab
5
a?a?a
5
c?a?c
5
?bca?
5
bab?a
5
aacbc
5
cbccc
5
cabab
5
?a?cc
5
?ccb?
5
bccb?
5
ccbca
5
aba?c
5
?bcba
5
bccaa
5
ab???
5
?abaa
5
?aabb
5
aacab
5
bcabb
5
cbc??
5
?cca?
5
?acaa
5
a??b?
5
aaacb
5
c??ca
5
?abab
5
acabb
5
b?baa
5
cbaab
5
c?cb?
5
abcaa
5
cca?a
5
aac??
5
cbbbb
5
bcb??
5
acbc?
5
cab?b
5
?bccb
5
bca?b
5
ccbab
5
abaa?
5
bcc?c
5
?bbaa
5
a?aac
5
cccc?
5
ca?cb
5
a????
5
bb?ca
5
?a?bc
5
bacaa
5
b?a?a
5
ab?a?
5
baa?c
5
a?ba?
5
acccb
5
?cbc?
5
bc?b?
5
aacc?
5
bacbb
5
c?aac
5
ac??c
5
c?ac?
5
b?aa?
5
?cb?b
5
bcbbb
5
??bac
5
b?aab
5
bccbb
5
aaaca
5
??bbb
5
b?cbc
5
bac??
5
acb??
5
bb?ac
5
bac?a
5
b?bba
5
aca?c
5
?cba?
5
b?bbc
5
b?cba
5
bbb?a
5
cba?c
5
?caba
5
caaba
5
?b?bb
5
bcb?b
5
ba?b?
5
cc?ab
5
?c?c?
5
a?bac
5
????c
5
ba??b
5
ba?aa
5
a?cba
5
a??ca
5
?caca
5
aa?ab
5
cbccb
5
a?baa
5
abc?a
5
??ca?
5
abcac
5
ccbac
5
?acb?
5
abc?c
5
a?c?b
5
bb??b
5
bcbcc
5
c??bc
5
??abb
5
cb???
5
b?cab
5
cac??
5
bbaac
5
aacca
5
cbcca
5
b???b
5
cccbc
5
caaac
5
b??bc
5
???bc
5
babca
5
b?cbb
5
??aac
5
ba?bc
5
a?bcc
5
?baba
5
cc??a
5
bc?bc
5
?bbca
5
b?bca
5
acbba
5
cc?a?
5
accba
5
aa?aa
5
aab?a
5
?c?ab
5
??a?b
5
ccacb
5
cacca
5
?c?ac
5
b??ba
5
ab?ba
5
c?abc
5
cbbb?
5
??ab?
5
?cacc
5
abcba
5
?a?ac
5
b?cca
5
cc?cc
5
?abbc
5
cbabb
5
b?bb?
5
?baaa
5
?ba?a
5
ca??c
5
acac?
5
ab?cb
5
aac?a
5
ca??b
5
baaab
5
ccba?
5
a?aa?
5
accac
5
babba
5
aa??b
5
cbcbb
5
a?acc
5
??b??
5
ccccb
5
b?ccc
5
bb?ab
5
bbbca
5
acc?a
5
?acbc
5
cacbc
5
cbba?
5
cabc?
5
?aaca
5
bcccc
5
ca?a?
5
aa?b?
5
?bcbc
5
aaaab
5
??acc
5
?ba??
5
??ac?
5
aab?c
5
aabc?
5
c?bbc
5
??cca
5
ca?b?
5
bcaa?
5
bbaab
5
ababa
5
?a?ba
5
bb?bb
5
abbba
5
ab?bb
5
?c?a?
5
baa?a
5
b?b?a
5
bc?cc
5
?c?aa
5
cabca
5
c?caa
5
cccaa
5
?b??b
5
?b?b?
5
bcaaa
5
caa??
5
cbb??
5
a?cac
5
aaba?
5
??bcb
5
?a?bb
5
bc???
5
aab??
5
b?cac
5
cbbca
5
b??b?
5
a???b
5
??acb
5
?baac
5
baaca
5
ab?bc
5
?bac?
5
?c??a
5
aabab
5
a??bc
5
abbbb
5
?cab?
5
cbbcc
5
bbc??
5
??ccc
5
?cabc
5
aba?a
5
bca??
5
cbcba
5
ccab?
5
caacc
5
bcbcb
5
c?aaa
5
a?bab
5
aa?cb
5
???ab
5
ccb??
5
ccbbb
5
ccc?c
5
???ca
5
?bbcc
5
acabc
5
??cc?
5
bbab?
5
??aca
5
b?b??
5
cabac
5
c?bba
5
ac??a
5
caca?
5
?ccbc
5
bccbc
5
b?abc
5
?accb
5
ccbba
5
b?acb
5
ca?ca
5
ac???
5
bbccb
5
?aa?a
5
a?aca
5
abcab
5
cbacc
5
bcb?a
5
c?c?a
5
b?ba?
5
c?a?a
5
?abc?
5
c??cc
5
?cbbc
5
cbacb
5
a??bb
5
bcbac
5
bbccc
5
??aa?
5
ba?ca
5
a?ccc
5
cb?ca
5
cb?ab
5
aa??c
5
cb?b?
5
ac?a?
5
cabbb
5
aca?a
5
bc??a
5
ca?bb
5
bbc?a
5
a?c?c
5
??c??
5
cc?ba
5
ccb?b
5
bbbbb
5
??bab
5
cabbc
5
?a???
5
cbbc?
5
?cb?c
5
a?aaa
5
??bc?
5
acba?
5
bcabc
5
cc???
5
cbaca
5
ccccc
5
c?ab?
5
cab??
5
??abc
5
?????
5
ab?ab
5
caa?a
5
c?abb
5
?bbcb
5
ac?ca
5
aacba
5
bbacc
5
bacbc
5
aa?ca
5
a??aa
5
?bcab
5
b??a?
5
a?bb?
5
aa??a
5
?abac
5
b???c
5
?aaa?
5
bca?c
5
acb?a
5
acacc
5
a?acb
5
bc?aa
5
cacba
5
cccba
5
bab?c
5
b?aca
5
c?b?a
5
aabbb
5
cbc?c
5
bab??
5
?cccc
5
bb?bc
5
cbaac
5
abab?
5
?ccac
5
baaaa
5
ca?bc
5
?cbcc
5
b?c?c
5
?bcbb
5
cccac
5
??c?a
5
ababc
5
babab
5
c??a?
5
bacb?
5
b?aba
5
cacbb
5
bccac
5
?bbbb
5
a?bc?
5
a??ab
5
ccbc?
5
ccb?a
5
cc?cb
5
c?bcc
5
??aaa
5
baacb
5
aab?b
5
?ab?a
5
ac?ba
5
aca??
5
baabc
5
?aaba
5
?b?ba
5
babbc
5
?aba?
5
?cc?c
5
ccbbc
5
c?cbb
5
abaac
5
?a?c?
5
b?b?c
5
cb?ac
5
?baca
5
aa?c?
5
???bb
5
ab?cc
5
babcc
5
?bbb?
5
bbcb?
5
cb?aa
5
bccc?
5
bcbaa
5
b?ccb
5
?b???
5
abb?c
5
??a?a
5
?aacb
5
abbaa
5
?baab
5
?accc
5
?cac?
5
?a??a
5
??ccb
5
a?cbc
5
cccbb
5
cc?c?
5
caab?
5
bcbb?
5
c??c?
5
a?a??
5
aaaac
5
acacb
5
b?a?b
5
bcccb
5
?cb??
5
b?a??
5
c?bb?
5
c?cac
5
acbab
5
aba??
5
?a??c
5
ac?bb
5
?bacc
5
bcab?
5
?caab
5
?cbab
5
?a?cb
5
aacbb
5
ca?aa
5
babaa
5
???ac
5
aabac
5
ba??c
5
?cb?a
5
accc?
5
ba?cc
5
abccc
5
b?c?b
5
bcaca
5
bcac?
5
c?c?b
5
?aabc
5
acccc
5
babc?
5
bbbcb
5
cbbab
5
a?abc
5
ccaaa
5
?cbcb
5
bb?cc
5
b?acc
5
bba?a
5
c?ba?
5
a?cab
5
acbbb
5
bb???
5
c?aba
5
cccca
5
aabca
5
?ca?a
5
??bbc
5
?c?bc
5
bcc??
5
bcaac
5
?c?b?
5
b?b?b
5
babac
5
cbc?a
5
b??bb
5
acaaa
5
cab?a
5
?aab?
5
??bb?
5
cbb?c
5
?c??c
5
c?bc?
5
bb?a?
5
cbbbc
5
cbcc?
5
aaaa?
5
?bcaa
5
b???a
5
???aa
5
b?ca?
5
?bccc
5
b??ab
5
aabbc
5
acb?c
5
c?cab
5
bc?c?
5
?ca?b
5
aa?bc
5
babb?
5
cbcaa
5
accca
5
abb??
5
bc?cb
5
a?cc?
5
bcacc
5
?baa?
5
a??ac
5
?cbac
5
c??cb
5
abbcc
5
aaa??
5
caa?c
5
aabcb
5
aabaa
5
?acba
5
c??ba
5
bbcbb
5
baaba
5
cabcc
5
ab?b?
5
cb?ba
5
bbcaa
5
ccacc
5
bcc?b
5
acab?
5
cac?c
5
???cb
5
a?bca
5
b?c??
5
cbb?b
5
?bb?a
5
?c???
5
aba?b
5
aaca?
5
bbcab
5
abac?
5
aaab?
5
?abcc
5
cac?a
5
aa?bb
5
caac?
5
??cbb
5
b?ab?
5
b?aaa
5
bbaba
5
??cba
5
aa?cc
5
b?bbb
5
cb?bb
5
b?bab
5
bbcca
5
a?bbc
5
abccb
5
bbc?c
5
?b?ca
5
bc??b
5
ab??c
5
ab?c?
5
bcbca
5
cb??b
5
bc?ba
5
abacc
5
?aa?c
5
aacaa
5
ccb?c
5
bab?b
5
?ab??
5
aa?ac
5
abaab
5
baba?
5
ccc?a
5
?bbc?
5
??cac
5
c?bbb
5
?cbca
5
ccaac
5
bcbba
5
?cbbb
5
bbb?c
5
?ccbb
5
abaca
5
baac?
5
bbbb?
5
bacca
5
ca?ab
5
cbaa?
5
ac?ab
5
bc?ac
5
cabba
5
?bab?
5
bb??c
5
ba?c?
5
aa?a?
5
cb??c
5
?c?cb
5
c?ccc
5
bb?c?
5
a?c?a
5
cbcab
5
ab?ca
5
abbc?
5
bc?ab
5
abbcb
5
?abcb
5
bbcbc
5
ccaca
5
a??cb
5
cbac?
5
?cccb
5
cacab
5
bbacb
5
cc??c
5
?b?ac
5
ccc??
5
babbb
5
cb?a?
5
baab?
5
cba??
5
a?cbb
5
?ac?a
5
?aaaa
5
bcbab
5
aaaba
5
bbc?b
5
caaa?
5
c?ccb
5
ba??a
5
a?caa
5
ac?ac
5
?b?ab
5
c??ac
5
ccaa?
5
cccab
5
?aac?
5
??baa
5
??bba
5
cba?a
5
?a?b?
5
acc?c
5
?c?cc
5
b?bcb
5
aaccb
5
aabb?
5
??b?b
5
?abb?
5
a?ab?
5
??cab
5
bbb?b
5
bb?aa
5
?babc
5
bcaab
5
bbac?
5
a?b?c
5
?ca??
5
a?abb
5
aabba
5
??bca
5
c?bca
5
bccab
5
cca?b
5
abaaa
5
?ac?b
5
ccabc
5
cc?b?
5
bbaaa
5
a?ca?
5
b?a?c
5
?ab?b
5
cacb?
5
aaabb
5
a?bcb
5
baccb
5
ba?ba
5
bcacb
5
?bc?c
5
a?a?c
5
cbabc
5
cabaa
5
??bcc
5
a?c??
5
cca?c
5
c?cca
5
?c??b
5
c?aa?
5
b??aa
5
c??aa
5
bbbac
5
bacc?
5
ac?c?
5
bacac
5
c?a??
5
?bacb
5
ccc?b
5
?cbb?
5
ccbaa
5
c?c?c
5
acbcc
5
?bcc?
5
cb??a
5
cc?aa
5
c?cba
5
ab??a
5
abb?b
5
ccbcc
5
cbaaa
5
abbbc
5
b?abb
5
a?bbb
5
abcc?
5
ccca?
5
?aa??
5
bb?b?
5
ca?c?
5
??b?c
5
?ccca
5
cbbba
5
bcaba
5
b?bc?
5
aaaaa
5
?ac??
5
bba?c
5
a?bba
5
aabcc
5
?b?bc
5
?bb?b
5
bc?bb
5
aaccc
5
baaa?
5
c???b
5
cbca?
5
bacab
5
?bc?a
5
ccaab
5
?caaa
5
?cc??
5
abb?a
5
?bbbc
5
acb?b
5
bbcc?
5
abbab
5
c?b?c
5
aa?ba
5
bc??c
5
ca???
5
???cc
5
c?a?b
5
a?cb?
5
c?ca?
5
cacac
5
accbb
5
c?acb
5
?ccab
5
a?b?a
5
cb?bc
5
cb?cb
5
?bb?c
5
bac?b
5
aa???
5
aacac
5
??aab
5
bccca
5
abcca
5
???b?
5
abbca
5
b??ac
5
cacc?
5
cbbac
5
aacb?
5
ca??a
5
ba?ab
5
bcbc?
5
?cc?b
5
c?c??
5
ac?bc
5
?acab
5
ccbcb
5
cc?ca
5
???a?
5
?cacb
5
acc?b
5
abc?b
5
bbcac
5
a???c
5
aaacc
5
?bb??
5
b?caa
5
c?cc?
5
cacaa
5
baacc
5
b?bac
5
?aacc
5
b??c?
5
cab?c
5
ab?aa
5
cba?b
5
cc?ac
5
bac?c
5
bba?b
5
a??a?
5
caabb
5
a?aba
5
?ccaa
5
?cc?a
5
?ac?c
5
cbcb?
5
babcb
5
c?bcb
5
aca?b
5
cbbcb
5
abca?
5
?acca
5
abc??
5
acbcb
5
c?b??
5
bbba?
5
?acac
5
?b??c
5
b?c?a
5
bc?a?
5
bbcba
5
a??cc
5
??ba?
5
bca?a
5
?bbac
5
c?aab
5
acaa?