a-be a-do aaaa aaab aaad aaae aaar aaba aabb aabd aabt aada aade aadt aaea aaoe aaoo aara aard aare aaro aart aata aatt abaa abab abad abae abar abat abax abb- abba abbb abbe abbo abbr abbt abda abdo abed abee aber abet aboa abob abod aboo abor abot abox abra abro abta adaa adab adad adae adao adar adat adba adda addd adde addo addr adea adeb adee adeo ader adet adob adod adoe adoo ador adot adox adra adre adro adta aede aedt aeer aer- aera aerd aero aeta aeto aetr aett aetx aoba aora aorb aort aotd arab arad arae arar arat arax arba arbe arda arde ardo area ared aree areo aret arex aroa arob arod aroe aroo aror arr- arra arre arro arrr arrt arta arte arto artr artx at-t at-x ataa atab atad atae atar atat atax atdt atea ated atee ateo ater atex atob atod atoe ator atot atra atre atro atrx atta atte atto attr axar axat axed axer axo- axoa axto axxo ba-x baaa baad baar baat baba babb babe babo babr bada badb badd bade bado badr baed baer bar- bara barb bard bare baro barr bart barx bata bate bato batt baxt bbad bbbb bbdd bbdo bbeb bbet bbox bd-r bead bear beat beba bebb bebe bebo beda bede bedo beeb beed beer beet beo- beod beor beot bera berd bere bero berr bert beta bete beto bett boab boad boar boat boba bobb bobe bobo boda bodb bode bodo boea boee boeo boer boet boob bood booe boor boot boox bor- bora bord bore boro borr bort bota botb botd bote boto bott boxa brab brad brae brao brat brax brda brdo brdt brea breb bred bree breo brer bret brex broa brob brod broe broo bror brot brox brrr btaa btdt btex btob btor btrt bttb d-bo daab daad daae daar daba dabb dabo dabt dada dade dado daeb daer dara darb dard dare daro darr dart data date dato datr datt dbar dbtt dddd ddot ddre dead deae dear deba debe debt deda dedd dede dedo deeb deed deer deet deor der- dera derb dere dero derr deta dete deto detr dex- dexa dexe dext do-x doab doae doar doat doba dobb dobe dod- doda dodd dode dodo doea doer doob dood door doot dora dord dore doro dorr dort dota dotd dote doto dott doxa draa drab drad drar drat drax drba drda drea dred dree dret drob drod drot drra dtaa dted dtor dtot dtox dttx dtxt dxab dxbe dxbr dxbt dxdr dxed dxra dxrd dxre dxrr dxrt dxrx dxxr dxxx eaba eada eadb eadd eara earb eard eare earo eart eata eate ebba ebbo ebbr ebed eber eboe eboo ebor ebox ebro edad edar edax edda edde eddo ede- edea eder edex edod edra edta eede eeea eeee eera eero eeta eete eext eode eora eore eota eotd eoto er-x erad erat erba erbb erbe erda erde ereb ered erer eret erob erod eroe eroo erra erre erro erta etat etbr etee eter etoe etox etra etre etro etta ette etto exa- exda exed exer exo- exod exor exrx exta exte extr o-eo oade oaer oara oare oate obad obba obbo obdt obea obed ober obet obex oboe obor obot obox obra obre obro obtd odax odbo odda oddd odea oded odeo oder odet odex odoo odor odot odra oeax oedo oera oere oeta ooaa ooba oobe ooda ooer oooo oora oord oore oort ootb orab orad orae orao orar orat orba orbb orbe orbo orda orde ordo ore- orea oreb ored oreo orer orex oro- oroe oror orot orra orro orta orte orto otar otbd otea oted otee oter oto- otoe otoo otor otra otre otro otta otte otto oxa- oxea oxer oxo- oxox oxxo raab raad raat raba rabb rabe rabo rada radd rade rado radr radt radx raed raer raob rara rarb rare raro rata rate rato ratt raxa rbbb rbbr rder rea- read reae reao rear reat reba rebb rebe rebo reda redd rede redo redr redx reeb reed reet reod reot rera rerd rere rero rert reta retd rete reto retr rett rexx roab road roar roat rob- roba robb robe robo robt roda rodd rode rodo roea roed roer roet roob rood roor root roox rora rore roro rort rota rote roto rotr rott roxa roxo rrad rrat rred rrrr rtdt rtee rtex taa- taar taat taba tabb tabe tabo tada tade tado taer taoa taor tara tarb tard tare taro tarr tart tata tatb tate tato tatr tatt tax- taxa taxe taxo taxt tbar tbox tbrb tbta tddb tdor tdra tead tear teat teba tebo teda tedd tede tedx teed teer teet teor ter- tera tere tero terr teta tete teto tetr tett tetx texa text toab toad toat toba tobe tobo tobt toda todd tode todo todt toea toed toee toer toet tooa tood toor toot tora tord tore toro torr tort torx tota totd tote toto totr tott tox- toxa toxo toxt traa trab trad trae trao trat trax tre- trea tred tree treo tret trex troa trod troe troo trot trox trra trte trtr ttab ttbb tteo tter ttoe tttt txaa txtr x-ed xaar xado xara xare xate xbar xbee xbox xbra xeer xer- xera xero xert xexe xoro xote xoxo xrdb xrod xtar xtea xtra xtro xxxo xxxx