a-a a-c aaa aac aaf aam aao aar aas aay ac- aca acc acf acm aco acr acs acy af- afa afc aff afm afo afr afs afy ama amc amf amm amo amr ams amy aoa aoc aof aom aoo aor aos ar- ara arc arf arm aro arr ars ary as- asa asc asf asm aso asr ass asy ay- aya ayc ayf ayo ayr ays c-- caa cac caf cam cao car cas cay cca ccc ccf ccm cco ccr ccs cfa cfc cff cfm cfo cfr cfs cma cmc cmf cmm cmo cmr cms cmy co- coa coc cof com coo cor cos coy cra crc crf crm cro crr crs cry csa csc csf csm cso csr css csy cya cyc cyf cym cyo cyr cys faa fac faf fam fao far fas fay fca fcc fcf fcm fco fcr fcs fcy ffa ffc fff ffm ffo ffr ffs ffy fma fmc fmf fmm fmo fmr fms foa foc fof fom foo for fos foy fra frc frf frm fro frr frs fry fsa fsc fsf fsm fso fsr fss fy- fya fyc fyo m-f m-o m-r maa mac maf mam mao mar mas may mc- mca mcc mcf mcm mco mcr mcs mfa mfc mff mfm mfo mfr mfs mfy mma mmc mmf mmm mmo mmr mms moa moc mof mom moo mor mos moy mra mrc mrf mrm mro mrr mrs mry msa msc msf msm mso msr mss msy my- mya myc myf mym myo myr mys oaa oac oaf oam oao oar oas oc- oca occ ocf ocm oco ocr ocs of- ofa ofc off ofm ofo ofr ofs om- oma omc omf omm omo omr oms omy oo- ooa ooc oof oom ooo oor oos or- ora orc orf orm oro orr ors ory os- osa osc osf osm oso osr oss oya oyo oys ra- raa rac raf ram rao rar ras ray rca rcc rcf rcm rco rcr rcs rfa rfc rff rfm rfo rfr rfs rma rmc rmf rmm rmo rmr rms roa roc rof rom roo ror ros roy rra rrc rrf rrm rrr rrs rsa rsc rsf rsm rso rsr rss ry- rya ryc ryf rym ryo ryr rys ryy saa sac saf sam sao sar sas say sca scc scf scm sco scr scs sfa sfc sff sfm sfo sfr sfs sma smc smf smm smo smr sms smy soa soc sof som soo sor sos soy sr- sra src srf srm sro srr srs sry ss- ssa ssc ssf ssm sso ssr sss sy- sya syc sym syr sys yaa yac yaf yam yao yar yas yay yca ycc ycf yco ycs ycy yfa yfc yff yfm yfr yfs yma ymc ymm ymo yms yoc yof yom yoo yor yos yoy yra yrc yrf yro yrs ysa ysc ysm yso ysr yss ysy yyc yyf yys yyy