a-a aaa aaf aam aao aap aar aas aay af- afa aff afm afo afp afr afs afy ama amf amm amo amp amr ams amy aoa aof aom aoo aop aor aos ap- apa apf apm apo app apr aps apy ar- ara arf arm aro arp arr ars ary as- asa asf asm aso asp asr ass asy ay- aya ayf ayo ayp ayr ays faa faf fam fao fap far fas fay ffa fff ffm ffo ffp ffr ffs ffy fma fmf fmm fmo fmp fmr fms foa fof fom foo fop for fos foy fpa fpm fpo fpp fpr fps fpy fra frf frm fro frp frr frs fry fsa fsf fsm fso fsp fsr fss fy- fya fyo fyp m-f m-o m-r maa maf mam mao map mar mas may mfa mff mfm mfo mfp mfr mfs mfy mma mmf mmm mmo mmp mmr mms moa mof mom moo mop mor mos moy mpa mpf mpm mpo mpp mpr mps mra mrf mrm mro mrp mrr mrs mry msa msf msm mso msp msr mss msy my- mya myf mym myo myr mys oaa oaf oam oao oap oar oas of- ofa off ofm ofo ofp ofr ofs om- oma omf omm omo omp omr oms omy oo- ooa oof oom ooo oop oor oos op- opa opf opm opo opp opr ops opy or- ora orf orm oro orp orr ors ory os- osa osf osm oso osp osr oss oya oyo oys p-p paa paf pam pao pap par pas pay pfa pff pfm pfo pfp pfr pfs pfy pma pmf pmm pmo pmp pmr pms poa pof pom poo pop por pos poy ppa ppf ppm ppo ppp ppr pps pra prf prm pro prp prr prs pry ps- psa psf psm pso psp psr pss psy py- pya pyf pym pyo pyr pys ra- raa raf ram rao rap rar ras ray rfa rff rfm rfo rfp rfr rfs rma rmf rmm rmo rmp rmr rms roa rof rom roo rop ror ros roy rpa rpf rpm rpo rpp rpr rps rra rrf rrm rrp rrr rrs rsa rsf rsm rso rsp rsr rss ry- rya ryf rym ryo ryr rys ryy saa saf sam sao sap sar sas say sfa sff sfm sfo sfp sfr sfs sma smf smm smo smp smr sms smy soa sof som soo sop sor sos soy spa spf spm spo spp spr sps spy sr- sra srf srm sro srp srr srs sry ss- ssa ssf ssm sso ssp ssr sss sy- sya sym syp syr sys yaa yaf yam yao yap yar yas yay yfa yff yfm yfr yfs yma ymm ymo yms yof yom yoo yop yor yos yoy ypa ypf ypo yps yra yrf yro yrp yrs ysa ysm yso ysp ysr yss ysy yyf yys yyy