a-a aaa aaf aah aak aao aar aas aay af- afa aff afh afk afo afr afs afy aha ahf ahh ahk aho ahr ahs ahy aka akh akk ako akr aks aoa aof aoh aok aoo aor aos ar- ara arf arh ark aro arr ars ary as- asa asf ash ask aso asr ass asy ay- aya ayf ayh ayk ayo ayr ays faa faf fah fak fao far fas fay ffa fff ffh ffk ffo ffr ffs ffy fha fhf fhh fho fhr fhs fka fkf fkk foa fof foh fok foo for fos foy fra frf frh frk fro frr frs fry fsa fsf fsh fsk fso fsr fss fy- fya fyk fyo haa haf hah hak hao har has hay hfa hff hfh hfk hfo hfr hfs hfy hha hhf hhh hhk hho hhr hhs hhy hka hkf hkh hkk hko hkr hks hoa hof hoh hok hoo hor hos hoy hr- hra hrf hrh hrk hro hrr hrs hsa hsf hsh hsk hsr hss hsy hy- hya hyh hyo hyr hys hyy ka- kaa kaf kah kak kao kar kas kay kfa kff kfh kfo kfs kha khf khh khk kho khr khs kkh kkk kkr kks kky koa kof koh kok koo kor kos koy kra krf krk kro krr krs kry ksa ksf ksh ksk kso ksr kss kya kyo kyr kys oaa oaf oah oak oao oar oas of- ofa off ofo ofr ofs oha ohf ohh oho ohr ohs oka okk oko okr oks oo- ooa oof ooh ook ooo oor oos or- ora orf orh ork oro orr ors ory os- osa osf osh osk oso osr oss oya oyo oys ra- raa raf rah rak rao rar ras ray rfa rff rfh rfk rfo rfr rfs rh- rha rhf rhh rho rhr rhs rkf rkk rko rks rky roa rof roh rok roo ror ros roy rra rrf rrh rrk rrr rrs rsa rsf rsh rsk rso rsr rss ry- rya ryf ryk ryo ryr rys ryy saa saf sah sak sao sar sas say sfa sff sfh sfk sfo sfr sfs sh- sha shf shh shk sho shr shs shy sk- ska skf skh skk sko skr sks sky soa sof soh sok soo sor sos soy sr- sra srf srh srk sro srr srs sry ss- ssa ssf ssh ssk sso ssr sss sy- sya syh syk syr sys yaa yaf yah yak yao yar yas yay yfa yff yfr yfs yha yhs yka ykk yof yok yoo yor yos yoy yra yrf yro yrs ysa ysk yso ysr yss ysy yyf yys yyy