-er a-a a-b aaa aab aad aae aak aam aao aar ab- aba abb abd abe abk abm abo abr ad- ada adb add ade adk adm ado adr aea aeb aed aee aek aem aeo aer aka akb akd ake akk akm ako akr ama amb amd ame amk amm amo amr aoa aob aod aoe aok aom aoo aor ar- ara arb ard are ark arm aro arr baa bab bad bae bak bam bao bar bba bbb bbd bbe bbk bbm bbo bbr bda bdb bdd bde bdk bdm bdo bdr be- bea beb bed bee bek bem beo ber bka bkb bke bkk bkm bko bkr bma bmb bmd bme bmk bmm bmo bmr boa bob bod boe bok bom boo bor bra brb brd bre brk brm bro brr daa dab dad dae dak dam dao dar dba dbb dbd dbe dbk dbm dbo dbr dda ddb ddd dde ddk ddm ddo ddr de- dea deb ded dee dek dem deo der dka dkb dke dkk dkm dko dkr dma dmb dmd dme dmk dmm dmo dmr doa dob dod doe dok dom doo dor dra drb drd dre drk drm dro drr eaa eab ead eae eak eam eao ear eba ebb ebd ebe ebk ebm ebo ebr ed- eda edb edd ede edk edm edo edr eea eeb eed eee eek eem eeo eer eka ekb ekd eke eko ekr em- ema emb emd eme emk emm emo emr eo- eoa eob eod eoe eok eom eoo eor era erb erd ere erk erm ero err ka- kaa kab kad kae kak kam kao kar kba kbb kbd kbe kbk kbm kbo kbr kda kdb kde kdk kdm kdo kdr ke- kea keb ked kee kek kem keo ker kkb kke kkk kkm kkr kma kmb kmd kme kmk kmm kmo koa kob kod koe kok kom koo kor kra krd krk kro krr m-o m-r maa mab mad mae mak mam mao mar mba mbb mbd mbe mbk mbm mbo mbr mda mdb mdd mde mdk mdm mdo mdr mea meb med mee mek mem meo mer mka mkb mkd mke mkk mkm mko mkr mma mmb mmd mme mmk mmm mmo mmr moa mob mod moe mok mom moo mor mra mrb mrd mre mrk mrm mro mrr oaa oab oad oae oak oam oao oar ob- oba obb obd obe obk obm obo obr oda odb odd ode odm odo odr oea oeb oed oee oem oeo oer oka okb okd oke okk oko okr om- oma omb omd ome omm omo omr oo- ooa oob ood ook oom ooo oor or- ora orb ord ore ork orm oro orr ra- raa rab rad rae rak ram rao rar rba rbb rbd rbe rbk rbm rbo rbr rda rdb rdd rde rdm rdo rdr re- rea reb red ree rek rem reo rer rkb rke rkk rkm rko rma rmb rmd rme rmm rmo rmr roa rob rod roe rok rom roo ror rra rrb rrd rrk rrm rrr

a-ak a-be a-do a-ok aaaa aaab aaad aaae aaam aaar aaba aabb aabd aabm aada aade aaea aaem aaka aake aama aamb aamd aame aamo aamr aaoe aaoo aara aard aare aarm aaro abaa abab abad abae abak abam abar abb- abba abbb abbe abbo abbr abda abdo abed abee aber abma abmb aboa abob abod abok aboo abor abra abro adaa adab adad adae adak adam adao adar adba adda addd adde addo addr adea adeb adee adem adeo ader adma admb adme admr adob adod adoe adok adoo ador adra adre adro aede aeer aeka aeom aer- aera aerd aero akaa akae akam akao akar aked akee aker akka akko akok akom akr- akra akre amaa amad amae amam amar amb- amba ambe ambo ambr amda amdo amed amee amer amka amm- amma amme ammo amob amod amok amoo amor amra amro aoba aoma aora aorb arab arad arae arak aram arar arba arbe arda arde ardm ardo area ared aree arek arem areo arka arke arko arma armd arme armm armo aroa arob arod aroe arom aroo aror arr- arra arre arrk arro arrr baaa baad baak baam baar baba babb babe babm babo babr bada badb badd bade bado badr baed baek baer bak- baka bake bako bakr bama bamb bame bamm bar- bara barb bard bare bark barm baro barr bbad bbbb bbdd bbdo bbeb bd-r bdrm bead beak beam bear beba bebb bebe bebo beda bede bedo beeb beed beek beem beer beka beke beko bema beme beo- beod beok beor bera berd bere berk berm bero berr bmaa bmdb boab boad boak boar boba bobb bobe bobo boda bodb bode bodo boea boee boeo boer boka boke boko boma bomb bome boob bood booe book boom boor bor- bora bord bore bork borm boro borr brab brad brae brak bram brao brda brdm brdo brea breb bred bree brek brem breo brer brka brkb broa brob brod broe brok brom broo bror brrm brrr d-bo daab daad daae daam daar daba dabb dabo dada dade dado daeb daem daer daka dake dako dama damb dame damm damo dara darb dard dare dark daro darr dbar dddd ddre dead deae deak dear deba debe deda dedd dede dedo deeb deed deek deem deer dek- deka deke dem- dema demb demd deme demo deor der- dera derb dere derk derm dero derr dkba dmaa dmab dmae dmba dmea dmrb doab doae doak doar doba dobb dobe dod- doda dodd dode dodo doea doek doer doka doke doko doma domb dome domm domo doob dood dook doom door dora dord dore dork dorm doro dorr draa drab drad drak dram drar drba drda drea dred dree drek drem drmk 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