-er -ey -ly -ol eee eef eek eel eeo eer eey ef- efe eff efl efo efr eke ekf ekl eko ekr eky ele elf elk ell elo elr ely eo- eoe eof eok eol eoo eor ere erf erk erl ero err ery eye eyl eyo eyr fee fef fek fel feo fer fey ffe fff ffk ffl ffo ffr ffy fkf fkk fkl fle flf fll flo flr fly foe fof fok fol foo for foy fre frf frk frl fro frr fry fy- fye fyk fyo ke- kee kef kek kel keo ker key kff kfo kke kkk kkl kkr kky kl- klf klo klr kly koe kof kok kol koo kor koy krf krk krl kro krr kry kye kyl kyo kyr lee lef lek lel leo ler ley lfe lff lfk lfl lfo lfr lkl lkr lky lle llf llk lll llo llr lly loe lof lok lol loo lor loy lrf lrk lro lrr lry lye lyf lyk lyl lyo lyr oee oef oel oeo oer oey of- ofe off ofl ofo ofr oke okk okl oko okr ole olf olk oll olo oly oo- oof ook ool ooo oor or- ore orf ork orl oro orr ory oye oyl oyo re- ree ref rek rel reo rer rey rfe rff rfk rfl rfo rfr rke rkf rkk rko rky rle rlf rll rlo rlr rly roe rof rok rol roo ror roy rrf rrk rrl rrr ry- rye ryf ryk ryo ryr ryy yee yef yek yel yeo yer yey yfe yff yfr ykk yle ylk yll ylr yly yoe yof yok yol yoo yor yoy yre yrf yro yye yyf yyy