a-be a-do aaaa aaab aaad aaae aaap aaar aaba aabb aabd aabp aabt aada aade aadt aaea aaep aaoe aaoo aapa aapo aapt aara aard aare aaro aarp aart aata aatt abaa abab abad abae abap abar abat abax abb- abba abbb abbe abbo abbr abbt abda abdo abed abee aber abet aboa abob abod aboo abor abot abox abpa abpd abpp abpr abra abro abta adaa adab adad adae adao adap adar adat adba adda addd adde addo addr adea adeb adee adeo ader adet adob adod adoe adoo ador adot adox adp- adra adre adro adta aeap aede aedt aeer aer- aera aerd aero aeta aeto aetr aett aetx aoba aopo aora aorb aort aotd apao apap apar apat apax apba apbr apda apdd apea aped apep aper apet apex apo- apod apoe apoo apop apor apot apox appa appd appr appt appx apra apre apro aprt apta apte aptt aptx arab arad arae arap arar arat arax arba arbe arda arde ardo area ared aree areo arep aret arex aroa arob arod aroe aroo aror arpa arpe arr- arra arre arro arrr arrt arta arte arto artr artx at-t at-x ataa atab atad atae atap atar atat atax atdt atea ated atee ateo atep ater atex atob atod atoe atop ator atot atpr atra atre atro atrp atrx atta atte atto attp 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 bapa bape bapp bapt bar- bara barb bard bare baro barr bart barx bata bate bato batt baxt bbad bbbb bbdd bbdo bbeb bbet bbox bbpr bd-r bead beap bear beat beba bebb bebe bebo beda bede bedo beeb beed beep beer beet beo- beod beor beot bepo 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 boep boer boet boob bood booe boop boor boot boox bopa bope bopp bor- bora bord bore boro borr bort bota botb botd bote boto bott boxa bpda bpea bpoe bpot bprd brab brad brae brao brat brax brda brdo brdt brea breb bred bree breo brep brer bret brex broa brob brod broe broo bror brot brox brrr btaa btbp btdt btex btob btor btrt bttb d-bo daab daad daae daap daar daba dabb dabo dabp dabt dada dade dado daeb daer dapa dape dapp dara darb dard dare daro darp darr dart data date dato datp datr datt dbar dbpd dbtt dddd ddot ddpo ddre dead deae deap dear deba debe debt deda dedd dede dedo deeb deed deep deer deet deop deor depa depe depo depp depr dept der- dera derb dere dero derp derr deta dete deto detr dex- dexa dexe dext do-x doab doae doap doar doat doba dobb dobe dod- doda dodd dode dodo doea doer doob dood doop door doot dopa dope dopo dopp dopr dopt dora dord dore doro dorp dorr dort dota dotd dote doto dott doxa dpaa dpdt dper dppa dppx draa drab drad drap drar drat drax drba drda drea dred dree dret drob drod drop drot drra dtaa dtap dtdp dted dtor dtot dtox dttp dttx dtxt dxab dxbe dxbr dxbt dxdr dxed dxep dxra dxrd dxre dxrp dxrr dxrt dxrx dxxr dxxx eaba eada eadb eadd eadp eaop eapp eara earb eard eare earo earp eart eata eate ebba ebbo ebbr ebed eber eboe eboo ebor ebox ebpo ebro edad edar edax edda edde eddo eddp ede- edea eder edex edod edra edta eede eeea eeee eera eero eeta eete eext eode eora eore eota eotd eoto epaa epad epee eper epod epor epot epox eppa eppo eppp epra eprb epro eprp epta epte epxp er-x erad erap erat erba erbb erbe erda erde ereb ered erer eret erob erod eroe eroo erpa erpe erra erre erro erta etap etat etbr etee eter etoe etox etra etre etro etta ette etto exa- exda exed exer exo- exod exor expo expr expt 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 odop odor odot odra odrp oeax oedo oepa oera oere oeta ooaa ooba oobe ooda ooer oooo oora oord oore oort ootb ootp opap opar oped opep oper opet opex opo- opor oppa oppo opra opto orab orad orae orao orar orat orba orbb orbe orbo orda orde ordo ore- orea oreb ored oreo orer orex oro- oroe oror orot orpe orra orro orta orte orto otap otar otbd otea oted otee otep oter oto- otoe otoo otor otpp otra otre otro otta otte otto oxa- oxea oxep oxer oxo- oxox oxxo paap paar paat paba pabt pabx pada padd pade pado paea paep paer paox papa papb pape papp papr par- para pard pare paro parp parr part pata patd pate pato patr patt paxo pbar pbed pbpa pdea pdpa pdpr peab peap pear peat peax peba ped- peda pede pedo peed peep peer peet peor pepa pepd pepe pepo per- pera perd pere pero perp perr pert peta pete peto petr pett poad poar poat poba pobo pod- poda podd pode podo poea poed poer poet pood poop poor poot pop- popa pope popo popp popt pora porb pore poro porr port pota potd pote poto pott ppad ppap ppar pper ppoa ppod pppa pppd pppo pppp ppta pptt prad prae prao prar prat pre- preb pred pree prep pret prex pro- proa prob prod proe proo prop prot prox prpd prrd prtp prtr ptab pter ptop ptox ptpd ptrd raab raad raat raba rabb rabe rabo rada radd rade rado radr radt radx raed raep raer raob raop rapa rapd rape rapp rapt rara rarb rare raro rata rate rato ratp ratt raxa rbbb rbbr rdap rdbp rder rea- read