-er -ey a-a aaa aae aam aao aar aax aay aea aee aem aeo aer aex aey ama ame amm amo amr amx amy aoa aoe aom aoo aor aox ar- ara are arm aro arr arx ary ax- axa axe axm axo axr axx ay- aya aye ayo ayr ayx eaa eae eam eao ear eax eea eee eem eeo eer eex eey em- ema eme emm emo emr emx eo- eoa eoe eom eoo eor era ere erm ero err ery ex- exa exe exo exr exx exy eya eye eym eyo eyr m-o m-r maa mae mam mao mar max may mea mee mem meo mer mex mey mma mme mmm mmo mmr mmx moa moe mom moo mor mox moy mra mre mrm mro mrr mrx mry mxa mxr my- mya mye mym myo myr myx oaa oae oam oao oar oax oea oee oem oeo oer oex oey om- oma ome omm omo omr omx omy oo- ooa oom ooo oor oox or- ora ore orm oro orr orx ory ox- oxa oxo oxx oxy oya oye oyo ra- raa rae ram rao rar rax ray re- rea ree rem reo rer rex rey rma rme rmm rmo rmr rmx roa roe rom roo ror rox roy rra rrm rrr rxr ry- rya rye rym ryo ryr ryy xaa xam xar xee xem xer xex xma xmm xmo xmr xmx xoa xom xoo xor xox xrx xry xxo xxx xxy xyr xyy yaa yae yam yao yar yax yay yea yee yem yeo yer yex yey yma yme ymm ymo yoe yom yoo yor yox yoy yra yre yro yxa yxe yxy yye yyy