-al -ly a-a a-b a-c a-t aaa aab aac aal aar aat aay ab- aba abb abc abl abr abt aby ac- aca acb acc acl acr act acy al- ala alb alc all alr alt aly ar- ara arb arc arl arr art ary at- ata atb atc atl atr att ay- aya ayc ayl ayr ayt baa bab bac bal bar bat bay bba bbb bbc bbl bbr bbt bby bca bcb bcc bcl bcr bct bcy bla blb blc bll blr blt bly bra brb brl brr brt bry bta btb btc btl btr btt bty by- bya byc byl byr byt c-- caa cab cac cal car cat cay cba cbb cbc cbl cbr cbt cby cca ccb ccc ccl ccr cct cl- cla clb clc cll clr clt cly cra crb crc crl crr crt cry cta ctb ctc ctl ctr ctt cty cya cyb cyc cyl cyr cyt la- laa lab lac lal lar lat lay lba lbb lbc lbl lbr lbt lca lcb lcc lcl lcr lct lcy lla llb llc lll llr llt lly lra lrb lrc lrr lrt lry lta ltb ltc ltl ltr ltt lya lyc lyl lyr lyt ra- raa rab rac ral rar rat ray rba rbb rbc rbl rbr rbt rca rcb rcc rcl rcr rct rla rlc rll rlr rlt rly rra rrb rrc rrl rrr rrt rta rtb rtc rtl rtr rtt rty ry- rya ryc ryr ryy taa tab tac tal tar tat tay tba tbb tbc tbl tbr tbt tca tcb tcc tcl tcr tct tla tlc tll tlr tlt tra trb trc trl trr trt try tta ttb ttc ttl ttr ttt tty tya tyc tyl tyr tyt yaa yab yac yal yar yat yay ybc ybl ybr yby yca ycc ycl ycy ylc yll ylr ylt yly yra yrc yrt yta ytc ytl ytr ytt yyb yyc yyt yyy