-er -ey -ly -ol eee eek eel eeo eer eex eey eie eii eik eil eio eir eix eke eki ekl eko ekr eky ele eli elk ell elo elr elx ely eo- eoe eoi eok eol eoo eor ere eri erk erl ero err ery ex- exe exi exl exo exr exx exy eye eyl eyo eyr ie- iee iei iek iel ier iex iey iie iii iil iio iir iix ike iki ikk ikl iko ikr ikx il- ile ili ilk ill ilo ilr ilx ily io- ioe ioi iol ioo ior ir- ire iri irk irl iro irr irx iry ixe ixi ixl ixy iye iyo iyr iyy ke- kee kei kek kel keo ker kex key kie kii kik kil kio kir kix kke kki kkk kkl kkr kky kl- kli klo klr klx kly koe koi kok kol koo kor koy kri krk krl kro krr kry kxl kxo kxy kye kyl kyo kyr kyx lee lei lek lel leo ler lex ley lie lii lik lil lio lir lix lkl lkr lky lle lli llk lll llo llr lly loe loi lok lol loo lor lox loy lri lrk lro lrr lry lxi lxo lxr lxx lye lyk lyl lyo lyr lyx o-i oee oei oel oeo oer oex oey oie oii oik oil oio oir oke oki okk okl oko okr ole oli olk oll olo oly oo- ooi ook ool ooo oor oox or- ore ori ork orl oro orr orx ory ox- oxi oxo oxx oxy oye oyi oyl oyo re- ree rei rek rel reo rer rex rey rie rii rik ril rio rir rix riy rke rkk rko rky rle rli rll rlo rlr rly roe roi rok rol roo ror rox roy rri rrk rrl rrr rxr ry- rye ryk ryo ryr ryy xee xel xer xex xie xii xio xix xke xkl xli xlr xoi xok xoo xor xox xrx xry xxi xxl xxo xxx xxy xyl xyr xyy yee yei yek yel yeo yer yex yey yie yii yio yir yki ykk yle yli ylk yll ylr yly yoe yoi yok yol yoo yor yox yoy yre yro yxe yxy yye yyy