-er a-a a-b aaa aab aad aae aam aao aar aax ab- aba abb abd abe abm abo abr abx ad- ada adb add ade adm ado adr adx aea aeb aed aee aem aeo aer aex ama amb amd ame amm amo amr amx aoa aob aod aoe aom aoo aor aox ar- ara arb ard are arm aro arr arx ax- axa axe axm axo axr axx baa bab bad bae bam bao bar bax bba bbb bbd bbe bbm bbo bbr bbx bda bdb bdd bde bdm bdo bdr bdx be- bea beb bed bee bem beo ber bex bma bmb bmd bme bmm bmo bmr bmx boa bob bod boe bom boo bor box bra brb brd bre brm bro brr brx bxb bxd bxm bxo bxx daa dab dad dae dam dao dar dax dba dbb dbd dbe dbm dbo dbr dbx dda ddb ddd dde ddm ddo ddr ddx de- dea deb ded dee dem deo der dex dma dmb dmd dme dmm dmo dmr dmx doa dob dod doe dom doo dor dox dra drb drd dre drm dro drr drx dxd dxo dxr dxx eaa eab ead eae eam eao ear eax eba ebb ebd ebe ebm ebo ebr ebx ed- eda edb edd ede edm edo edr edx eea eeb eed eee eem eeo eer eex em- ema emb emd eme emm emo emr emx eo- eoa eob eod eoe eom eoo eor era erb erd ere erm ero err ex- exa exd exe exo exr exx m-o m-r maa mab mad mae mam mao mar max mba mbb mbd mbe mbm mbo mbr mbx mda mdb mdd mde mdm mdo mdr mdx mea meb med mee mem meo mer mex mma mmb mmd mme mmm mmo mmr mmx moa mob mod moe mom moo mor mox mra mrb mrd mre mrm mro mrr mrx mxa mxd mxr oaa oab oad oae oam oao oar oax ob- oba obb obd obe obm obo obr obx oda odb odd ode odm odo odr oea oeb oed oee oem oeo oer oex om- oma omb omd ome omm omo omr omx oo- ooa oob ood oom ooo oor oox or- ora orb ord ore orm oro orr orx ox- oxa oxb oxo oxx ra- raa rab rad rae ram rao rar rax rba rbb rbd rbe rbm rbo rbr rbx rda rdb rdd rde rdm rdo rdr rdx re- rea reb red ree rem reo rer rex rma rmb rmd rme rmm rmo rmr rmx roa rob rod roe rom roo ror rox rra rrb rrd rrm rrr rxr xaa xad xam xar xbe xbr xbx xda xdb xde xdm xdr xed xee xem xer xex xma xmd xmm xmo xmr xmx xoa xod xom xoo xor xox xrd xrx xxo xxx

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 abax abb- abba abbb abbe abbo abbr abda abdo abed abee aber abma abmb aboa abob abod aboo abor abox 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 admx adob adod adoe adoo ador adox adra adre adro aede aeer aeom aer- aera aerd aero amaa amad amae amam amar amax amb- amba ambe ambo ambr ambx amda amdo amed amee amer amex amm- amma amme ammo amob amod amoo amor amra amro aoba aoma aora aorb arab arad arae aram arar arax arba arbe arda arde ardm ardo area ared aree arem areo arex arma armd arme armm armo aroa arob arod aroe arom aroo aror arr- arra arre arro arrr axar axed axer axo- axoa axxo ba-x 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 barx bbad bbbb bbdd bbdo bbeb bbox bd-r bdmx 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 boox bor- bora bord bore borm boro borr boxa brab brad brae bram brao brax brda brdm brdo brea breb bred bree brem breo brer brex broa brob brod broe brom broo bror brox 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 dex- dexa dexe dmaa dmab dmae dmax dmba dmea dmrb do-x 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 doxa draa drab drad dram drar drax drba drda drea dred dree drem drob drod drom drra dxab dxam dxbe dxbm dxbr dxdr dxed dxme dxmr dxmx dxom dxra dxrd dxre dxrm dxrr dxrx dxxr dxxx eaba eada eadb eadd eama eame eaom eara earb eard eare earo ebam ebba ebbo ebbr ebed eber eboe eboo ebor ebox ebro edad edam edar edax edda edde eddm eddo ede- edea edem eder edex edma edme edod edom edra edrm eede eeea eeee eemo eera eero emad emae emam emar emax emba embd embe embo embr emer emex emma emme emod emor emra emre eode eora eore er-x erad eram erba erbb erbe erda erde ereb ered erem erer erma erme ermo erob erod eroe eroo erra erre erro exa- exam exda exed exer exmr exo- exod exor exrx maaa maad