-al -ly a-a a-b a-c a-t aaa aab aac aal aat aay ab- aba abb abc abl abt aby ac- aca acb acc acl act acy al- ala alb alc all alt aly at- ata atb atc atl att ay- aya ayc ayl ayt baa bab bac bal bat bay bba bbb bbc bbl bbt bby bca bcb bcc bcl bct bcy bla blb blc bll blt bly bta btb btc btl btt bty by- bya byc byl byt c-- caa cab cac cal cat cay cba cbb cbc cbl cbt cby cca ccb ccc ccl cct cl- cla clb clc cll clt cly cta ctb ctc ctl ctt cty cya cyb cyc cyl cyt la- laa lab lac lal lat lay lba lbb lbc lbl lbt lca lcb lcc lcl lct lcy lla llb llc lll llt lly lta ltb ltc ltl ltt lya lyc lyl lyt taa tab tac tal tat tay tba tbb tbc tbl tbt tca tcb tcc tcl tct tla tlc tll tlt tta ttb ttc ttl ttt tty tya tyc tyl tyt yaa yab yac yal yat yay ybc ybl yby yca ycc ycl ycy ylc yll ylt yly yta ytc ytl ytt yyb yyc yyt yyy