-er -ey a-a aaa aae aak aao aar aas aau aay aea aee aek aeo aer aes aeu aey aka ake akk ako akr aks aku aoa aoe aok aoo aor aos aou ar- ara are ark aro arr ars aru ary as- asa ase ask aso asr ass asu asy au- aua aue auk auo aur aus ay- aya aye ayk ayo ayr ays ayu eaa eae eak eao ear eas eau eea eee eek eeo eer ees eey eka eke eko ekr eks eku eky eo- eoa eoe eok eoo eor eos eou era ere erk ero err ers eru ery es- esa ese esk eso esr ess esu esy eu- eua eue eur eus eya eye eyo eyr eys ka- kaa kae kak kao kar kas kau kay ke- kea kee kek keo ker kes key kke kkk kkr kks kku kky koa koe kok koo kor kos kou koy kra krk kro krr krs kru kry ksa kse ksk kso ksr kss ksu kue kuk kur kus kuu kuy kya kye kyo kyr kys kyu oaa oae oak oao oar oas oau oea oee oeo oer oes oey oka oke okk oko okr oks oku oo- ooa ook ooo oor oos or- ora ore ork oro orr ors oru ory os- osa ose osk oso osr oss osu ou- oua oue ouk ouo our ous oya oye oyo oys ra- raa rae rak rao rar ras rau ray re- rea ree rek reo rer res reu rey rke rkk rko rks rku rky roa roe rok roo ror ros rou roy rra rrk rrr rrs rru rsa rse rsk rso rsr rss rsu rua rue ruk ruo rur rus ruu ruy ry- rya rye ryk ryo ryr rys ryu ryy saa sae sak sao sar sas sau say se- sea see sek seo ser ses seu sey sk- ska ske skk sko skr sks sku sky soa soe sok soo sor sos sou soy sr- sra sre srk sro srr srs sry ss- ssa sse ssk sso ssr sss ssu sua sue suk suo sur sus suu suy sy- sya sye syk syr sys syu ua- uaa uae uak uao uar uas uau uay uea uee uer ues uey uka uke ukk ukr uku uoa uoe uok uoo uor uos ur- ura ure urk uro urr urs uru ury usa use usk uso usr uss usu uua uue uur uus uuu uyo uys uyu yaa yae yak yao yar yas yau yay yea yee yek yeo yer yes yey yka ykk yoe yok yoo yor yos you yoy yra yre yro yrs yru ysa yse ysk yso ysr yss ysu ysy yua yue yuk yuo yur yus yuu yuy yye yys yyu yyy