-al -ly -ol a-a a-b a-c aaa aab aac aal aao aar aas aay ab- aba abb abc abl abo abr abs aby ac- aca acb acc acl aco acr acs acy al- ala alb alc all alo alr als aly aoa aob aoc aol aoo aor aos ar- ara arb arc arl aro arr ars ary as- asa asb asc asl aso asr ass asy ay- aya ayc ayl ayo ayr ays baa bab bac bal bao bar bas bay bba bbb bbc bbl bbo bbr bbs bby bca bcb bcc bcl bco bcr bcs bcy bla blb blc bll blo blr bls bly boa bob boc bol boo bor bos boy bra brb brl bro brr brs bry bsa bsb bsc bsl bso bsr bss bsy by- bya byc byl byo byr bys c-- caa cab cac cal cao car cas cay cba cbb cbc cbl cbo cbr cbs cby cca ccb ccc ccl cco ccr ccs cl- cla clb clc cll clo clr cls cly co- coa cob coc col coo cor cos coy cra crb crc crl cro crr crs cry csa csb csc csl cso csr css csy cya cyb cyc cyl cyo cyr cys la- laa lab lac lal lao lar las lay lba lbb lbc lbl lbo lbr lbs lca lcb lcc lcl lco lcr lcs lcy lla llb llc lll llo llr lls lly loa lob loc lol loo lor los loy lra lrb lrc lro lrr lrs lry lsa lsb lsc lsl lso lsr lss lya lyc lyl lyo lyr lys oaa oab oac oal oao oar oas ob- oba obb obc obl obo obr obs oby oc- oca ocb occ ocl oco ocr ocs ola olb olc oll olo ols oly oo- ooa oob ooc ool ooo oor oos or- ora orb orc orl oro orr ors ory os- osa osb osc osl oso osr oss oya oyl oyo oys ra- raa rab rac ral rao rar ras ray rba rbb rbc rbl rbo rbr rbs rca rcb rcc rcl rco rcr rcs rla rlc rll rlo rlr rls rly roa rob roc rol roo ror ros roy rra rrb rrc rrl rrr rrs rsa rsb rsc rsl rso rsr rss ry- rya ryc ryo ryr rys ryy saa sab sac sal sao sar sas say sba sbb sbc sbl sbo sbr sbs sby sca scb scc scl sco scr scs sla slb slc sll slo slr sls sly soa sob soc sol soo sor sos soy sr- sra srb src srl sro srr srs sry ss- ssa ssb ssc ssl sso ssr sss sy- sya syb syc syl syr sys yaa yab yac yal yao yar yas yay ybc ybl ybr ybs yby yca ycc ycl yco ycs ycy ylc yll ylr yls yly yob yoc yol yoo yor yos yoy yra yrc yro yrs ysa ysb ysc ysl yso ysr yss ysy yyb yyc yys yyy