a-a a-b aaa aab aas aav ab- aba abb abs abv as- asa asb ass asv av- ava avb avs baa bab bas bav bba bbb bbs bsa bsb bss bsv bva bvb bvs bvv saa sab sas sav sba sbb sbs sbv ss- ssa ssb sss ssv sva svb svs svv v-a vaa vab vas vav vba vbs vbv vsa vsb vss vsv vva vvb vvs vvv

aaaa aaab aaas aaav aaba aabb aasa aass aava abaa abab abas abb- abba abbb abbs abs- absa abss abva asaa asab asas asba assa asss asva asvs avab avas avva baaa baas baba babb babs basa bass bava bbas bbbb bbbs bsaa bsas saab saas saba sabb sabs sasa sass sava savs sbaa sbas sbbs sbsa ssaa ssab ssas sssa sssb ssss vaas vabs vas- vasa vass vava vavs vvsb vvvv

-aaa- a-vsb aaaas aaasa aaass aabaa aabba abaab ababa ababs abasa abass abava abbas asaba asasa asava assab assas avsa baava babas babbs basab bassa bsaba saaba saabs saasa sabas sabsa sassa savas savva sssss vaasa vasas vassa vsaas

aaaaba ababsa abassa abbasa abbass baabaa basava bbbbbb sabbas savvas ssabsa vasava vassas vvvvvv

bbbbbbb sssssss

bbbbbbbb

baabaabaa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb