a-a a-c aaa aac aam aao aar aas aay ac- aca acc acm aco acr acs acy ama amc amm amo amr ams amy aoa aoc aom aoo aor aos ar- ara arc arm aro arr ars ary as- asa asc asm aso asr ass asy ay- aya ayc ayo ayr ays c-- caa cac cam cao car cas cay cca ccc ccm cco ccr ccs cma cmc cmm cmo cmr cms cmy co- coa coc com coo cor cos coy cra crc crm cro crr crs cry csa csc csm cso csr css csy cya cyc cym cyo cyr cys m-o m-r maa mac mam mao mar mas may mc- mca mcc mcm mco mcr mcs mma mmc mmm mmo mmr mms moa moc mom moo mor mos moy mra mrc mrm mro mrr mrs mry msa msc msm mso msr mss msy my- mya myc mym myo myr mys oaa oac oam oao oar oas oc- oca occ ocm oco ocr ocs om- oma omc omm omo omr oms omy oo- ooa ooc oom ooo oor oos or- ora orc orm oro orr ors ory os- osa osc osm oso osr oss oya oyo oys ra- raa rac ram rao rar ras ray rca rcc rcm rco rcr rcs rma rmc rmm rmo rmr rms roa roc rom roo ror ros roy rra rrc rrm rrr rrs rsa rsc rsm rso rsr rss ry- rya ryc rym ryo ryr rys ryy saa sac sam sao sar sas say sca scc scm sco scr scs sma smc smm smo smr sms smy soa soc som soo sor sos soy sr- sra src srm sro srr srs sry ss- ssa ssc ssm sso ssr sss sy- sya syc sym syr sys yaa yac yam yao yar yas yay yca ycc yco ycs ycy yma ymc ymm ymo yms yoc yom yoo yor yos yoy yra yrc yro yrs ysa ysc ysm yso ysr yss ysy yyc yys yyy