-er -ey -ly eee eef eek eel eer eey ef- efe eff efl efr eke ekf ekl ekr eku eky ele elf elk ell elr elu ely ere erf erk erl err eru ery eu- eue euf eul eur eye eyl eyr fee fef fek fel fer feu fey ffe fff ffk ffl ffr ffu ffy fkf fkk fkl fle flf fll flr flu fly fre frf frk frl frr fru fry fue fuf fuk ful fur fuu fy- fye fyk ke- kee kef kek kel ker key kff kfu kke kkk kkl kkr kku kky kl- klf klr klu kly krf krk krl krr kru kry kue kuk kul kur kuu kuy kye kyl kyr kyu lee lef lek lel ler leu ley lfe lff lfk lfl lfr lfu lkl lkr lky lle llf llk lll llr llu lly lrf lrk lrr lru lry lue luf luk lul lur luu luy lye lyf lyk lyl lyr re- ree ref rek rel rer reu rey rfe rff rfk rfl rfr rfu rke rkf rkk rku rky rle rlf rll rlr rlu rly rrf rrk rrl rrr rru rue ruf ruk rur ruu ruy ry- rye ryf ryk ryr ryu ryy uee uef uel uer uey ufe uff ufl ufr ufu uke ukf ukk ukl ukr uku ule ulf ulk ull ulr ulu uly ur- ure urf urk url urr uru ury uue uur uuu uyu yee yef yek yel yer yey yfe yff yfr yfu ykk yle ylk yll ylr yly yre yrf yru yue yuk yul yur yuu yuy yye yyf yyu yyy