-er -ey a-a aaa aae aak aao aap aar aas aay aea aee aek aeo aep aer aes aey aka ake akk ako akp akr aks aoa aoe aok aoo aop aor aos ap- apa ape apk apo app apr aps apy ar- ara are ark aro arp arr ars ary as- asa ase ask aso asp asr ass asy ay- aya aye ayk ayo ayp ayr ays eaa eae eak eao eap ear eas eea eee eek eeo eep eer ees eey eka eke eko ekp ekr eks eky eo- eoa eoe eok eoo eop eor eos ep- epa epe epo epp epr eps era ere erk ero erp err ers ery es- esa ese esk eso esp esr ess esy eya eye eyo eyp eyr eys ka- kaa kae kak kao kap kar kas kay ke- kea kee kek keo kep ker kes key kke kkk kkp kkr kks kky koa koe kok koo kop kor kos koy kpa kpe kpk kpo kpp kpr kps kra krk kro krp krr krs kry ksa kse ksk kso ksp ksr kss kya kye kyo kyp kyr kys oaa oae oak oao oap oar oas oea oee oeo oep oer oes oey oka oke okk oko okp okr oks oo- ooa ook ooo oop oor oos op- opa ope opk opo opp opr ops opy or- ora ore ork oro orp orr ors ory os- osa ose osk oso osp osr oss oya oye oyo oys p-p paa pae pak pao pap par pas pay pea pee pek peo pep per pes pey pka pke pko pkp pkr pks pky poa poe pok poo pop por pos poy ppa ppe ppk ppo ppp ppr pps pra pre prk pro prp prr prs pry ps- psa pse psk pso psp psr pss psy py- pya pye pyk pyo pyr pys ra- raa rae rak rao rap rar ras ray re- rea ree rek reo rep rer res rey rke rkk rko rkp rks rky roa roe rok roo rop ror ros roy rpa rpe rpk rpo rpp rpr rps rra rrk rrp rrr rrs rsa rse rsk rso rsp rsr rss ry- rya rye ryk ryo ryr rys ryy saa sae sak sao sap sar sas say se- sea see sek seo sep ser ses sey sk- ska ske skk sko skp skr sks sky soa soe sok soo sop sor sos soy spa spe spk spo spp spr sps spy sr- sra sre srk sro srp srr srs sry ss- ssa sse ssk sso ssp ssr sss sy- sya sye syk syp syr sys yaa yae yak yao yap yar yas yay yea yee yek yeo yep yer yes yey yka ykk yoe yok yoo yop yor yos yoy ypa ypo yps yra yre yro yrp yrs ysa yse ysk yso ysp ysr yss ysy yye yys yyy