a-a a-b a-z aaa aab aao aav aaz ab- aba abb abo abv abz aoa aob aoo aov av- ava avb avo avz az- aza azb azo azz baa bab bao bav baz bba bbb bbo boa bob boo bov boz bva bvb bvo bvv bza bzo bzz oaa oab oao oav ob- oba obb obo obv oo- ooa oob ooo oov ov- ova ovb ovo ovv oza ozo ozz v-a vaa vab vao vav vaz vba vbo vbv vbz voa vob voo vov voz vva vvb vvo vvv vvz zaa zab zao zav zaz zbb zbv zo- zoa zob zoo zzz

aaaa aaab aaav aaba aabb aaoo aava abaa abab abb- abba abbb abbo aboa abob aboo abov abva abza aoba avab avao avaz avva avvo aza- azab azaz azo- azoo azov azza azzo baaa baaz baba babb babo bava baza bazo bbbb boab boaz boba bobb bobo boob booz bova bovo boza bozo bzzz obba obbo ooaa ooba oooo ovo- ovoo vava vaza vvob vvvv zaav zaba zabo zaza zobo zoo- zoza zozo zvab zzzz

-aaa- aabaa aabba abaab ababa abava abaza aboab abobo abovo avaaz avaza azovo baava baboo bazoo bo-bo bobov booba booza bozab bozoo bozov obaba obava ooooo oovoo oozoa v-bob vazov za-za zazzo zzzzz

aaaaba abozzo azzaba baabaa baazov babovo baobab bbbbbb boabab bobova bobovo booboo bozova oooooo vaovao vazovo vvvvvv zababa zoozoo

abbozzo abzooba bbbbbbb boo-boo o-o-a-a zvabovo

bbbbbbbb bo-bo-bo

abba-zaba baabaabaa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz