-er -ey a-a aaa aae aag aao aar aax aay aea aee aeg aeo aer aex aey ag- aga age agg ago agr agx agy aoa aoe aog aoo aor aox ar- ara are arg aro arr arx ary ax- axa axe axo axr axx ay- aya aye ayo ayr ayx eaa eae eag eao ear eax eea eee eeg eeo eer eex eey ega ege egg ego egr egx egy eo- eoa eoe eog eoo eor era ere erg ero err ery ex- exa exe exo exr exx exy eya eye eyo eyr gaa gae gag gao gar gay ge- gea gee geg geo ger gex gey gga ggg ggo ggr goa goe gog goo gor gox goy gra gre grg gro grr grx gry gxa gy- gya gye gyo gyr oaa oae oag oao oar oax oea oee oeg oeo oer oex oey oga oge ogg ogo ogx ogy oo- ooa oog ooo oor oox or- ora ore org oro orr orx ory ox- oxa oxo oxx oxy oya oye oyo ra- raa rae rag rao rar rax ray re- rea ree reg reo rer rex rey rga rge rgg rgo rgr rgx roa roe rog roo ror rox roy rra rrg rrr rxr ry- rya rye ryg ryo ryr ryy xaa xag xar xee xeg xer xex xge xoa xog xoo xor xox xrx xry xxo xxx xxy xyr xyy yaa yae yag yao yar yax yay yea yee yeg yeo yer yex yey yga ygo yoe yog yoo yor yox yoy yra yre yrg yro yxa yxe yxy yye yyg yyy