a-a a-b a-c aaa aab aac aay ab- aba abb abc aby ac- aca acb acc acy ay- aya ayc baa bab bac bay bba bbb bbc bby bca bcb bcc bcy by- bya byc c-- caa cab cac cay cba cbb cbc cby cca ccb ccc cya cyb cyc yaa yab yac yay ybc yby yca ycc ycy yyb yyc yyy

a-ya aaaa aaab aaac aaba aabb aabc aaby aaca aacb aacc aacy abaa abab abac abay abb- abba abbb abby abca abcb abcc abyc abyy acaa acab acac acba acca accc accy ayay ayca ayya baaa baba babb baby bac- baca bacc baya bbay bbbb bcaa bcbc bcca bccc caaa caab caac caba caby cac- caca cacc cbac cbbc cbca cbcc ccaa ccab ccac ccba ccbc ccca cccb cccc cya- cyaa cyba cybb cybc cyc- cyca cycb cycc cyy- cyyc yaba yacc yacy yaya ycab yccc yyyy

-aaa- aabaa aabba aacbc abaab ababa ababy abaca abaya abbac abbay abbyy abccc acaca acacb acacy acaya ayyab baaya babby bacab bacca bayaa bayac bayya by-by bycab c-a-c ca-ca caaba cabby cc-by ccccc ya-ya yaaba yabba yabby yacca

aaaaba abacab abbacy ayyaya baabaa bacaba baybay bbbbbb ybabyy

ayabaca b-a-b-y bac-cab bacacay bay-bay bbbbbbb

babybaby bbbbbbbb

baabaabaa

babybabybaby

baby-baby-baby

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc