-er -ey eee eeg een eeo eer eex eey ege egg egn ego egr egx egy en- ene eng enn eno enr eny eo- eoe eog eon eoo eor ere erg ern ero err ery ex- exe exo exr exx exy eye eyn eyo eyr ge- gee geg gen geo ger gex gey ggg ggn ggo ggr gne gnn gno gnr goe gog gon goo gor gox goy gre grg grn gro grr grx gry gy- gye gyn gyo gyr ne- nee neg nen neo ner nex ney nge ngg ngn ngo nne nng nnn nno no- noe nog non noo nor nox noy nre nrg nrn nro nrr nrx nry nye nyg nyn nyo nyx nyy oee oeg oen oeo oer oex oey oge ogg ogn ogo ogx ogy on- one ong onn ono onr onx ony oo- oog oon ooo oor oox or- ore org orn oro orr orx ory ox- oxn oxo oxx oxy oye oyo re- ree reg ren reo rer rex rey rge rgg rgn rgo rgr rgx rng rnn rno rnr rny roe rog ron roo ror rox roy rrg rrn rrr rxr ry- rye ryg ryn ryo ryr ryy xee xeg xen xer xex xge xno xog xon xoo xor xox xrx xry xxo xxx xxy xyr xyy yee yeg yen yeo yer yex yey ygo yne yng ynn yny yoe yog yon yoo yor yox yoy yre yrg yrn yro yxe yxy yye yyg yyy