-er -ey a-a a-b aaa aab aad aae aam aao aar aay ab- aba abb abd abe abm abo abr aby ad- ada adb add ade adm ado adr ady aea aeb aed aee aem aeo aer aey ama amb amd ame amm amo amr amy aoa aob aod aoe aom aoo aor ar- ara arb ard are arm aro arr ary ay- aya ayd aye ayo ayr baa bab bad bae bam bao bar bay bba bbb bbd bbe bbm bbo bbr bby bda bdb bdd bde bdm bdo bdr bdy be- bea beb bed bee bem beo ber bey bma bmb bmd bme bmm bmo bmr boa bob bod boe bom boo bor boy bra brb brd bre brm bro brr bry by- bya byd bye bym byo byr daa dab dad dae dam dao dar day dba dbb dbd dbe dbm dbo dbr dby dda ddb ddd dde ddm ddo ddr ddy de- dea deb ded dee dem deo der dey dma dmb dmd dme dmm dmo dmr doa dob dod doe dom doo dor doy dra drb drd dre drm dro drr dry dy- dya dyb dyd dye dym dyo dyr dyy eaa eab ead eae eam eao ear eba ebb ebd ebe ebm ebo ebr eby ed- eda edb edd ede edm edo edr edy eea eeb eed eee eem eeo eer eey em- ema emb emd eme emm emo emr eo- eoa eob eod eoe eom eoo eor era erb erd ere erm ero err ery eya eyd eye eym eyo eyr m-o m-r maa mab mad mae mam mao mar may mba mbb mbd mbe mbm mbo mbr mda mdb mdd mde mdm mdo mdr mdy mea meb med mee mem meo mer mey mma mmb mmd mme mmm mmo mmr moa mob mod moe mom moo mor moy mra mrb mrd mre mrm mro mrr mry my- mya myb myd mye mym myo myr oaa oab oad oae oam oao oar ob- oba obb obd obe obm obo obr oby oda odb odd ode odm odo odr oea oeb oed oee oem oeo oer oey om- oma omb omd ome omm omo omr omy oo- ooa oob ood oom ooo oor or- ora orb ord ore orm oro orr ory oya oyd oye oyo ra- raa rab rad rae ram rao rar ray rba rbb rbd rbe rbm rbo rbr rda rdb rdd rde rdm rdo rdr rdy re- rea reb red ree rem reo rer rey rma rmb rmd rme rmm rmo rmr roa rob rod roe rom roo ror roy rra rrb rrd rrm rrr ry- rya ryd rye rym ryo ryr ryy yaa yab yad yae yam yao yar yay ybe ybm ybr yby yda yde ydo ydy yea yeb yed yee yem yeo yer yey yma yme ymm ymo yob yod yoe yom yoo yor yoy yra yre yro yyb yye yyy