-er -ey a-a aaa aae aak aan aao aar aay aea aee aek aen aeo aer aey aka ake akk akn ako akr an- ana ane ank ann ano anr any aoa aoe aok aon aoo aor ar- ara are ark arn aro arr ary ay- aya aye ayk ayn ayo ayr eaa eae eak ean eao ear eea eee eek een eeo eer eey eka eke eko ekr eky en- ena ene enk enn eno enr eny eo- eoa eoe eok eon eoo eor era ere erk ern ero err ery eya eye eyn eyo eyr ka- kaa kae kak kan kao kar kay ke- kea kee kek ken keo ker key kke kkk kkn kkr kky kn- kna kne knk knn kno knr koa koe kok kon koo kor koy kra krk krn kro krr kry kya kye kyn kyo kyr naa nae nak nan nao nar nay ne- nea nee nek nen neo ner ney nka nke nkk nkn nko nkr nky nna nne nnk nnn nno no- noa noe nok non noo nor noy nra nre nrk nrn nro nrr nry nya nye nyk nyn nyo nyy oaa oae oak oan oao oar oea oee oen oeo oer oey oka oke okk oko okr on- ona one onk onn ono onr ony oo- ooa ook oon ooo oor or- ora ore ork orn oro orr ory oya oye oyo ra- raa rae rak ran rao rar ray re- rea ree rek ren reo rer rey rke rkk rko rky rna rnn rno rnr rny roa roe rok ron roo ror roy rra rrk rrn rrr ry- rya rye ryk ryn ryo ryr ryy yaa yae yak yan yao yar yay yea yee yek yen yeo yer yey yka ykk ykn yna yne ynk ynn yny yoe yok yon yoo yor yoy yra yre yrn yro yye yyy