-er -ey a-a a-b aaa aab aae aam aao aar aav aay ab- aba abb abe abm abo abr abv aby aea aeb aee aem aeo aer aev aey ama amb ame amm amo amr amv amy aoa aob aoe aom aoo aor aov ar- ara arb are arm aro arr arv ary av- ava avb ave avm avo avr avy ay- aya aye ayo ayr baa bab bae bam bao bar bav bay bba bbb bbe bbm bbo bbr bby be- bea beb bee bem beo ber bev bey bma bmb bme bmm bmo bmr bmv boa bob boe bom boo bor bov boy bra brb bre brm bro brr brv bry bva bvb bve bvm bvo bvr bvv by- bya bye bym byo byr eaa eab eae eam eao ear eav eba ebb ebe ebm ebo ebr ebv eby eea eeb eee eem eeo eer eev eey em- ema emb eme emm emo emr emv eo- eoa eob eoe eom eoo eor era erb ere erm ero err erv ery eva evb eve evm evo evr evv evy eya eye eym eyo eyr m-o m-r m-v maa mab mae mam mao mar mav may mba mbb mbe mbm mbo mbr mbv mea meb mee mem meo mer mev mey mma mmb mme mmm mmo mmr mmv moa mob moe mom moo mor mov moy mra mrb mre mrm mro mrr mrv mry mva mvb mve mvm mvo mvr mvv mvy my- mya myb mye mym myo myr myv oaa oab oae oam oao oar oav ob- oba obb obe obm obo obr obv oby oea oeb oee oem oeo oer oey om- oma omb ome omm omo omr omv omy oo- ooa oob oom ooo oor oov or- ora orb ore orm oro orr orv ory ov- ova ovb ove ovo ovv oya oye oyo ra- raa rab rae ram rao rar rav ray rba rbb rbe rbm rbo rbr re- rea reb ree rem reo rer rev rey rma rmb rme rmm rmo rmr rmv roa rob roe rom roo ror rov roy rra rrb rrm rrr rva rvb rve rvm rvo rvr rvv rvy ry- rya rye rym ryo ryr ryy v-a v-e vaa vab vae vam vao var vav vay vba vbm vbo vbr vbv vea veb vee vem veo ver vey vm- vma vmm vmo vmr voa vob voe vom voo vor vov voy vra vrb vre vrm vrr vry vva vvb vvm vvo vvr vvv vye vym yaa yab yae yam yao yar yav yay ybe ybm ybr yby yea yeb yee yem yeo yer yev yey yma yme ymm ymo yob yoe yom yoo yor yoy yra yre yro yva yve yvo yvr yvy yyb yye yyy