-er -ey a-a aaa aae aaf aak aan aao aar aay aea aee aef aek aen aeo aer aey af- afa afe aff afk afn afo afr afy aka ake akk akn ako akr an- ana ane anf ank ann ano anr any aoa aoe aof aok aon aoo aor ar- ara are arf ark arn aro arr ary ay- aya aye ayf ayk ayn ayo ayr eaa eae eaf eak ean eao ear eea eee eef eek een eeo eer eey ef- efa efe eff efo efr eka eke ekf eko ekr eky en- ena ene enf enk enn eno enr eny eo- eoa eoe eof eok eon eoo eor era ere erf erk ern ero err ery eya eye eyn eyo eyr faa fae faf fak fan fao far fay fea fee fef fek fen feo fer fey ffa ffe fff ffk ffn ffo ffr ffy fka fkf fkk fna fne fnf fnk fnn fnr foa foe fof fok fon foo for foy fra fre frf frk frn fro frr fry fy- fya fye fyk fyn fyo ka- kaa kae kaf kak kan kao kar kay ke- kea kee kef kek ken keo ker key kfa kff kfo kke kkk kkn kkr kky kn- kna kne knf knk knn kno knr koa koe kof kok kon koo kor koy kra krf krk krn kro krr kry kya kye kyn kyo kyr naa nae naf nak nan nao nar nay ne- nea nee nef nek nen neo ner ney nfa nfe nff nfk nfn nfo nfr nka nke nkf nkk nkn nko nkr nky nna nne nnf nnk nnn nno no- noa noe nof nok non noo nor noy nra nre nrf nrk nrn nro nrr nry nya nye nyf nyk nyn nyo nyy oaa oae oaf oak oan oao oar oea oee oef oen oeo oer oey of- ofa ofe off ofn ofo ofr oka oke okk oko okr on- ona one onf onk onn ono onr ony oo- ooa oof ook oon ooo oor or- ora ore orf ork orn oro orr ory oya oye oyo ra- raa rae raf rak ran rao rar ray re- rea ree ref rek ren reo rer rey rfa rfe rff rfk rfn rfo rfr rke rkf rkk rko rky rna rnn rno rnr rny roa roe rof rok ron roo ror roy rra rrf rrk rrn rrr ry- rya rye ryf ryk ryn ryo ryr ryy yaa yae yaf yak yan yao yar yay yea yee yef yek yen yeo yer yey yfa yfe yff yfr yka ykk ykn yna yne ynk ynn yny yoe yof yok yon yoo yor yoy yra yre yrf yrn yro yye yyf yyy