-al -ly a-a a-b a-c aaa aab aac aal aar aas aay ab- aba abb abc abl abr abs aby ac- aca acb acc acl acr acs acy al- ala alb alc all alr als aly ar- ara arb arc arl arr ars ary as- asa asb asc asl asr ass asy ay- aya ayc ayl ayr ays baa bab bac bal bar bas bay bba bbb bbc bbl bbr bbs bby bca bcb bcc bcl bcr bcs bcy bla blb blc bll blr bls bly bra brb brl brr brs bry bsa bsb bsc bsl bsr bss bsy by- bya byc byl byr bys c-- caa cab cac cal car cas cay cba cbb cbc cbl cbr cbs cby cca ccb ccc ccl ccr ccs cl- cla clb clc cll clr cls cly cra crb crc crl crr crs cry csa csb csc csl csr css csy cya cyb cyc cyl cyr cys la- laa lab lac lal lar las lay lba lbb lbc lbl lbr lbs lca lcb lcc lcl lcr lcs lcy lla llb llc lll llr lls lly lra lrb lrc lrr lrs lry lsa lsb lsc lsl lsr lss lya lyc lyl lyr lys ra- raa rab rac ral rar ras ray rba rbb rbc rbl rbr rbs rca rcb rcc rcl rcr rcs rla rlc rll rlr rls rly rra rrb rrc rrl rrr rrs rsa rsb rsc rsl rsr rss ry- rya ryc ryr rys ryy saa sab sac sal sar sas say sba sbb sbc sbl sbr sbs sby sca scb scc scl scr scs sla slb slc sll slr sls sly sr- sra srb src srl srr srs sry ss- ssa ssb ssc ssl ssr sss sy- sya syb syc syl syr sys yaa yab yac yal yar yas yay ybc ybl ybr ybs yby yca ycc ycl ycs ycy ylc yll ylr yls yly yra yrc yrs ysa ysb ysc ysl ysr yss ysy yyb yyc yys yyy