a-ak a-be a-do a-ok aaaa aaab aaad aaae aaap aaar aaba aabb aabd aabp aada aade aaea aaep aaka aake aaoe aaoo aapa aapo aara aard aare aaro aarp abaa abab abad abae abak abap abar abb- abba abbb abbe abbo abbr abda abdo abed abee aber aboa abob abod abok aboo abor abpa abpd abpp abpr abra abro adaa adab adad adae adak adao adap adar adba adda addd adde addo addr adea adeb adee adeo ader adob adod adoe adok adoo ador adp- adra adre adro aeap aede aeer aeka aer- aera aerd aero akaa akae akao akap akar aked akee aker akka akko akok akpo akr- akra akre aoba aokp aopo aora aorb apak apao apap apar apba apbr apda apdd apea aped apep aper apke apo- apod apoe apoo apop apor appa appd appr apra apre apro arab arad arae arak arap arar arba arbe arda arde ardo area ared aree arek areo arep arka arke arko aroa arob arod aroe aroo aror arpa arpe arr- arra arre arrk arro arrr baaa baad baak baar baba babb babe babo babr bada badb badd bade bado badr baed baek baer bak- baka bake bako bakr bapa bape bapp bar- bara barb bard bare bark baro barr bbad bbbb bbdd bbdo bbeb bbpr bd-r bead beak beap bear beba bebb bebe bebo beda bede bedo beeb beed beek beep beer beka beke beko beo- beod beok beor bepo bera berd bere berk bero berr bkpr boab boad boak boar boba bobb bobe bobo boda bodb bode bodo boea boee boeo boep boer boka boke boko boob bood booe book boop boor bopa bope bopp bor- bora bord bore bork boro borr bpda bpea bpoe bprd brab brad brae brak brao brda brdo brea breb bred bree brek breo brep brer brka brkb broa brob brod broe brok broo bror brrr d-bo daab daad daae daap daar daba dabb dabo dabp dada dade dado daeb daer daka dake dako dapa dape dapp dara darb dard dare dark daro darp darr dbar dbpd dddd ddpo ddre dead deae deak deap dear deba debe deda dedd dede dedo deeb deed deek deep deer dek- deka deke deop deor depa depe depo depp depr der- dera derb dere derk dero derp derr dkba doab doae doak doap doar doba dobb dobe dod- doda dodd dode dodo doea doek doer doka doke doko doob dood dook doop door dopa dope dopo dopp dopr dora dord dore dork doro dorp dorr dpaa dper dppa dprk draa drab drad drak drap drar drba drda drea dred dree drek drob drod drop drra eaba eada eadb eadd eadp eaop eapp eara earb eard eare earo earp ebba ebbo ebbr ebed eber eboe eboo ebor ebpo ebro edad edar edda edde eddo eddp ede- edea eder edod edra eede eeea eeee eeka eeke eera eero eka- ekab ekeb eked ekek eker ekka ekoa ekpe ekpo eode eoka eora eore epaa epad epee eper epod epor eppa eppo eppp epra eprb epro eprp erad erap erba erbb erbe erda erde ereb ered erer erke erob erod eroe eroo erpa erpe erra erre erro kaaa kaab kaak kaap kaar kaba kabb kabd kabe kabo kabr kad- kada kadd kade kado kadr kaeo kaep kaer kaka kake kakk kako kaoa kaok kaor kap- kapa kape kapo kapp kara karb kard kare kark karo karp karr kbaa kbab kbad kbae kbak kbap kbar kbba kbbb kbbd kbbe kbbk kbbo kbbr kbdb kbde kbdo kbdr kbeb kbed kbee kbek kbeo kber kbkb kbkk kbko kbkr kboa kbob kbod kboe kbok kboo kbpa kbpe kbpk kbpo kbpr kbra kbrb kbrd kbre kbrk kbro kdaa kdab kdad kdae kdak kdao kdap kdar kdbb kdbr kddb kddd kddk kddr kdeb kdep kdka kdkb kdkd kdkk kdko kdkr kdoe kdok kdpr kdrb kdro kea- kead keak keap kear keba kebb kebe kebr keda kedb kedd kede kedo kedp kedr keed keek keep keer keka kekb keke keko keok kep- kepa kepd kepe ker- kera kerb kere kerk kero kerp kerr kkaa kkap kkar kkba kkbb kkbd kkbe kkbo kkbr kkda kkdd kkdo kkea kked kkkk kkoa kkob kkoo kkor kkpk kkrb kkre kkrk kkro kkrr koab koae koak koap koar koba kobb kobe kobk kobo kobr koda kode kodk kodo koea koed koka kokb koke kokk koko kokp kokr koob kook kooo koop koor kopa kopb kope kopp kopr kora korb kord kore kork koro korr kpad kpae kpak kpao kpar kpba kpbb kpbd kpbe kpbr kpda kpdb kpdo kpdr kpek kper kpke kpkk kpkr kpoa kpob kpod kpoe kpok kpoo kpop kppd kppk kppo kppp kppr kprb kprd kpre kprk kpro kprp kprr krab krad krae krak krap krar krba krbb krbd krbe krbk krbr krda krdd krde krdo krdr krea kreb kred kree krek kreo krka krkd krke krkk krko krkr kroa krob krod kroe krok kroo krop kror krpa krpr krrb krre krrk krro krrr o-eo oade oaer oake oara oare obad obak obba obbo obea obed ober obkb oboe obok obor obra obre obro odbo odda oddd odea oded odeo oder odoo odop odor odra odrp oedo oepa oera oere okak okap oked oker okka okko okok okor okpe okpo okra okre okro ooaa ooak ooba oobe ooda ooer oooo oora oord oore opap opar oped opep oper opo- opor oppa oppo opra orab orad orae orak orao orar orba orbb orbe orbo orda orde ordo ore- orea oreb ored orek oreo orer orka orke orko oro- oroe orok oror orpe orra orro paak paap paar paba pada padd pade pado paea paep paer paka pake pako papa papb pape papp papr par- para pard pare park paro parp parr pbar pbed pbpa pbpk pdea pdpa pdpr peab peak peap pear peba ped- peda pede pedo peed peek peep peer peka peke pekk peko peor pepa pepd pepe pepo per- pera perd pere perk pero perp perr poad poak poar poba pobo pod- poda podd pode podo poea poed poer poka poke