-er a-a a-b aaa aab aad aae aam aao aar ab- aba abb abd abe abm abo abr ad- ada adb add ade adm ado adr aea aeb aed aee aem aeo aer ama amb amd ame amm amo amr aoa aob aod aoe aom aoo aor ar- ara arb ard are arm aro arr baa bab bad bae bam bao bar bba bbb bbd bbe bbm bbo bbr bda bdb bdd bde bdm bdo bdr be- bea beb bed bee bem beo ber bma bmb bmd bme bmm bmo bmr boa bob bod boe bom boo bor bra brb brd bre brm bro brr daa dab dad dae dam dao dar dba dbb dbd dbe dbm dbo dbr dda ddb ddd dde ddm ddo ddr de- dea deb ded dee dem deo der dma dmb dmd dme dmm dmo dmr doa dob dod doe dom doo dor dra drb drd dre drm dro drr eaa eab ead eae eam eao ear eba ebb ebd ebe ebm ebo ebr ed- eda edb edd ede edm edo edr eea eeb eed eee eem eeo eer em- ema emb emd eme emm emo emr eo- eoa eob eod eoe eom eoo eor era erb erd ere erm ero err m-o m-r maa mab mad mae mam mao mar mba mbb mbd mbe mbm mbo mbr mda mdb mdd mde mdm mdo mdr mea meb med mee mem meo mer mma mmb mmd mme mmm mmo mmr moa mob mod moe mom moo mor mra mrb mrd mre mrm mro mrr oaa oab oad oae oam oao oar ob- oba obb obd obe obm obo obr oda odb odd ode odm odo odr oea oeb oed oee oem oeo oer om- oma omb omd ome omm omo omr oo- ooa oob ood oom ooo oor or- ora orb ord ore orm oro orr ra- raa rab rad rae ram rao rar rba rbb rbd rbe rbm rbo rbr rda rdb rdd rde rdm rdo rdr re- rea reb red ree rem reo rer rma rmb rmd rme rmm rmo rmr roa rob rod roe rom roo ror rra rrb rrd rrm rrr

a-be a-do aaaa aaab aaad aaae aaam aaar aaba aabb aabd aabm aada aade aaea aaem aama aamb aamd aame aamo aamr aaoe aaoo aara aard aare aarm aaro abaa abab abad abae abam abar abb- abba abbb abbe abbo abbr abda abdo abed abee aber abma abmb aboa abob abod aboo abor abra abro adaa adab adad adae adam adao adar adba adda addd adde addo addr adea adeb adee adem adeo ader adma admb adme admr adob adod adoe adoo ador adra adre adro aede aeer aeom aer- aera aerd aero amaa amad amae amam amar amb- amba ambe ambo ambr amda amdo amed amee amer amm- amma amme ammo amob amod amoo amor amra amro aoba aoma aora aorb arab arad arae aram arar arba arbe arda arde ardm ardo area ared aree arem areo arma armd arme armm armo aroa arob arod aroe arom aroo aror arr- arra arre arro arrr baaa baad baam baar baba babb babe babm babo babr bada badb badd bade bado badr baed baer bama bamb bame bamm bar- bara barb bard bare barm baro barr bbad bbbb bbdd bbdo bbeb bd-r bdrm bead beam bear beba bebb bebe bebo beda bede bedo beeb beed beem beer bema beme beo- beod beor bera berd bere berm bero berr bmaa bmdb boab boad boar boba bobb bobe bobo boda bodb bode bodo boea boee boeo boer boma bomb bome boob bood booe boom boor bor- bora bord bore borm boro borr brab brad brae bram brao brda brdm brdo brea breb bred bree brem breo brer broa brob brod broe brom broo bror brrm brrr d-bo daab daad daae daam daar daba dabb dabo dada dade dado daeb daem daer dama damb dame damm damo dara darb dard dare daro darr dbar dddd ddre dead deae dear deba debe deda dedd dede dedo deeb deed deem deer dem- dema demb demd deme demo deor der- dera derb dere derm dero derr dmaa dmab dmae dmba dmea dmrb doab doae doar doba dobb dobe dod- doda dodd dode dodo doea doer doma domb dome domm domo doob dood doom door dora dord dore dorm doro dorr draa drab drad dram drar drba drda drea dred dree drem drob drod drom drra eaba eada eadb eadd eama eame eaom eara earb eard eare earo ebam ebba ebbo ebbr ebed eber eboe eboo ebor ebro edad edam edar edda edde eddm eddo ede- edea edem eder edma edme edod edom edra edrm eede eeea eeee eemo eera eero emad emae emam emar emba embd embe embo embr emer emma emme emod emor emra emre eode eora eore erad eram erba erbb erbe erda erde ereb ered erem erer erma erme ermo erob erod eroe eroo erra erre erro maaa maad maam maar maba mabe mabo mada madb madd made mado maee maem maeo maer mama mame mamo maor mar- mara mard mare marm maro marr mbam mbba mbda mbdb mbed mddm mdea mdma mdme mdra mead mear mebe mebo meda medb medd mede medo meed meem meer mema meme memo memr meor mer- mera merb merd mere merm mero mmaa mmab mmar mmda mmdb mmea mmmd mmmm mmod mmor moaa moab moam moar moba mobb mobe mobo moda modd mode modo moea moed moma mome momo mooa moob mood mooe moor mora morb mord more moro mrad mrbb mrbm mrda mrdd mreb mred mree mrmd o-eo oade oadm oaer oama oara oare obad obba obbo obea obed ober oboe obor obra obre obro odam odbo odda oddd odea oded odem odeo oder odma odmr odom odoo odor odra oedo oeme oera oere oerm omam omao omar ombe ombo omda omdb omed omee omeo omer omma omo- omoa omoe omoo omor omra omre omro ooaa ooba oobe ooda ooer ooma oome oooo oora oord oore orab orad