-er -ey -ly -ol eee eef eel een eeo eer eex eey ef- efe eff efl efo efr efx ele elf ell eln elo elr elx ely en- ene enf enl enn eno enr eny eo- eoe eof eol eon eoo eor ere erf erl ern ero err ery ex- exe exl exo exr exx exy eye eyl eyn eyo eyr fee fef fel fen feo fer fex fey ffe fff ffl ffn ffo ffr ffx ffy fle flf fll fln flo flr flx fly fne fnf fnl fnn fnr fnx foe fof fol fon foo for fox foy fre frf frl frn fro frr fry fxe fxr fxx fy- fye fyn fyo lee lef lel len leo ler lex ley lfe lff lfl lfn lfo lfr lfx lle llf lll lln llo llr lly lne lnl lnn lno lnr loe lof lol lon loo lor lox loy lrf lrn lro lrr lry lxo lxr lxx lye lyf lyl lyn lyo lyr lyx ne- nee nef nel nen neo ner nex ney nfe nff nfl nfn nfo nfr nle nlf nll nln nlo nlr nlx nly nne nnf nnl nnn nno no- noe nof nol non noo nor nox noy nre nrf nrl nrn nro nrr nrx nry nxl nye nyf nyl nyn nyo nyx nyy oee oef oel oen oeo oer oex oey of- ofe off ofl ofn ofo ofr ofx ole olf oll oln olo oly on- one onf onl onn ono onr onx ony oo- oof ool oon ooo oor oox or- ore orf orl orn oro orr orx ory ox- oxf oxn oxo oxx oxy oye oyl oyo re- ree ref rel ren reo rer rex rey rfe rff rfl rfn rfo rfr rle rlf rll rln rlo rlr rly rnn rno rnr rny roe rof rol ron roo ror rox roy rrf rrl rrn rrr rxr ry- rye ryf ryn ryo ryr ryy xee xel xen xer xex xfe xfl xfn xfx xlf xlr xno xof xon xoo xor xox xrf xrx xry xxl xxo xxx xxy xyl xyr xyy yee yef yel yen yeo yer yex yey yfe yff yfr yle yll ylr yly yne ynn yny yoe yof yol yon yoo yor yox yoy yre yrf yrn yro yxe yxy yye yyf yyy