-er -ey a-a aaa aae aak aan aao aar aau aay aea aee aek aen aeo aer aeu aey aka ake akk akn ako akr aku an- ana ane ank ann ano anr anu any aoa aoe aok aon aoo aor aou ar- ara are ark arn aro arr aru ary au- aua aue auk aun auo aur ay- aya aye ayk ayn ayo ayr ayu eaa eae eak ean eao ear eau eea eee eek een eeo eer eey eka eke eko ekr eku eky en- ena ene enk enn eno enr enu eny eo- eoa eoe eok eon eoo eor eou era ere erk ern ero err eru ery eu- eua eue eun eur eya eye eyn eyo eyr ka- kaa kae kak kan kao kar kau kay ke- kea kee kek ken keo ker key kke kkk kkn kkr kku kky kn- kna kne knk knn kno knr knu koa koe kok kon koo kor kou koy kra krk krn kro krr kru kry kue kuk kun kur kuu kuy kya kye kyn kyo kyr kyu naa nae nak nan nao nar nau nay ne- nea nee nek nen neo ner neu ney nka nke nkk nkn nko nkr nku nky nna nne nnk nnn nno nnu no- noa noe nok non noo nor nou noy nra nre nrk nrn nro nrr nru nry nua nue nuk nun nuo nur nuu nuy nya nye nyk nyn nyo nyu nyy oaa oae oak oan oao oar oau oea oee oen oeo oer oey oka oke okk oko okr oku on- ona one onk onn ono onr onu ony oo- ooa ook oon ooo oor or- ora ore ork orn oro orr oru ory ou- oua oue ouk oun ouo our oya oye oyo ra- raa rae rak ran rao rar rau ray re- rea ree rek ren reo rer reu rey rke rkk rko rku rky rna rnn rno rnr rnu rny roa roe rok ron roo ror rou roy rra rrk rrn rrr rru rua rue ruk run ruo rur ruu ruy ry- rya rye ryk ryn ryo ryr ryu ryy ua- uaa uae uak uan uao uar uau uay uea uee uen uer uey uka uke ukk ukn ukr uku un- una une unk unn uno unr unu uny uoa uoe uok uon uoo uor ur- ura ure urk urn uro urr uru ury uua uue uun uur uuu uyo uyu yaa yae yak yan yao yar yau yay yea yee yek yen yeo yer yey yka ykk ykn yna yne ynk ynn ynu yny yoe yok yon yoo yor you yoy yra yre yrn yro yru yua yue yuk yun yuo yur yuu yuy yye yyu yyy