a-be a-fu aaaa aaab aaae aaaf aaap aaar aaba aabb aabp aabt aaea aaep aafa aafb aaff aaoe aaoo aapa aapo aapt aara aare aaro aarp aart aaru aata aatf aatt aaup abaa abab abae abaf abap abar abat abau abb- abba abbb abbe abbo abbr abbt abee aber abet abff aboa abob abof aboo abor abot abou abpa abpp abpr abra abro abta abtu abua abue abuf abut aeaf aeap aeer aer- aera aero aeta aetf aeto aetr aett afaa afao afap afar afat afee afer afet affa affo afft afoa afoe afoo afor afpa afpe afr- afra afre afro afru afta afte aftp afua afue aoba aoeu aopo aora aorb aort aotf aouf aout apao apap apar apat apba apbr apea apep aper apet apeu apfa apfo apft apo- apoe apof apoo apop apor apot apou appa appr appt appu apra apre apro aprt apta apte aptt apua apup arab arae araf arap arar arat arau arba arbe area aree aref areo arep aret areu arfa arfb arff arft arfu aroa arob aroe aroo aror arpa arpe arpu arr- arra arre arro arrr arrt arru arta arte arto artr arua arub arue arup arut at-t ataa atab atae atap atar atat atea atee atef ateo atep ater atfb atfe atob atoe atof atop ator atot atpr atra atre atro atrp atru atta atte atto attp attr attu atua atub atur auaa aube auer aufe aur- aura aure auro aut- aute auto baaa baaf baar baat baba babb babe babo babr babu baer baff bafo baft bapa bape bapp bapt bapu bar- bara barb bare barf baro barr bart baru bata bate batf bato batt batu bau- bauf baur bbau bbbb bbeb bbet bbpr beaf beap bear beat beau beba bebb bebe bebo beeb beef beep beer beet befa befe beff befo beft beo- beof beor beot bepo bera bere bero berr bert beru beta bete beto bett betu beur bfpo bfpp bfta bftt boab boar boat boba bobb bobe bobo bobu boea boee boef boeo boep boer boet bofa bofe boff bofu boob booe boof boop boor boot bopa bope bopp bor- bora bore borf boro borr bort boru bota botb bote boto bott boua boue bouf boup bour bout bpea bpoe bpot bptf brab brae braf brao brat brau brea breb bree bref breo brep brer bret brfu broa brob broe broo bror brot brou brrr brue brup brut btaa btaf btbp btob btor btrt bttb buar buat buba bubb bube bubo bubu buea buer bueu bufe buff bufo bufr bupa bur- bura burb bure buro burp burr burt buru but- buta bute buto butt eaaf eaba eafb eaop eapp eara earb eare earo earp eart eata eate ebba ebbo ebbr eber eboe eboo ebor ebpo ebro ebru ebur eeea eeee eefa eefe eera eero eeta eete eetu efab efbr efeo efet effa efor efpa eft- efta eftp eftu efua eora eore eota eoto epaa epee eper epfa epor epot eppa eppo eppp epra eprb epro eprp epta epte epub eraf erap erat erau erba erbb erbe ereb erer eret erft erob eroe eroo erpa erpe erra erre erro erta ertu erua erub erur etap etat etbr etee eter etfa etfb etfe etoe etra etre etro etta ette etto ettu etua euba euer eur- eura eure euro eurt faaa faap faba fabe fabo fabu faeb fafa fafe faff fafo fapa fape fapp fara farb fare faro farp farr fart faru fata fate fatf fato fatt faue faur faut fbar fbop feaf feap fear feat feba febo feeb feer feet fefe feff fefo feof fepa fera ferb fere fero ferr fert feru feta fete fetp fetr fett fetu ffar ffee ffff ffrr fftf foaf foar foba fobt foer fofo foof foot fopp for- fora forb fore foro forr fort fota fote foto fotp fott foua foup four fout fpaa fpra fprf frab frae frap frat frau frea free freo frep fret frob froe frop frot frou frta frub frue ftea fter ftop ftpe ftub fuar fuat fubb fubu fuet fuff fufu fuor fur- fura fure furo furr furt futa fute futo futu o-eo oaau oaer oafo oara oare oate obba obbo obea ober obet oboe obor obot obra obre obro oepa oera oere oeta oeuf ofer off- offa offe offo offr offu ofor ofra ofre ofta oftp ooaa ooba oobe ooer ooff oooo oora oore oort ootb ootp opap opar opep oper opet opo- opor oppa oppo opra opto opua orab orae orao orar orat orba orbb orbe orbo orbu ore- orea oreb oreo orer orfe orff orfu oro- oroe orof oror orot orpe orra orro orta orte orto orub orup otap otar otea otee otep oter otfp oto- otoe otof otoo otor otpp otra otre otro otta otte otto ottu otur ouat ouea ouer oufe ouff oupa oupe our- oura oure ouro ourt out- outa outb oute outo ouu- paap paar paat paba pabt pabu paea paep paer pafa pafe paff papa papb pape papp papr par- para pare parf paro parp parr part paru pata pate pato patr patt patu paua paup paur paut pbar pbpa pbrf peab peap pear peat peau peba peep peer peet peff peor peou pepa pepe pepo per- pera pere perf pero perp perr pert peru peta pete peto petr pett peur peut pfaa pfet pfff pffr pfft pfra pfte poar poat poba pobo poea poer poet poff poof poop poor poot pop- popa pope popo popp popt pora porb pore poro porr port pota pote potf poto pott potu pouf poup pour pout ppap ppar pper ppfa ppoa pppa pppo pppp pprf ppru ppta pptt ppur prae prao prar prat prau pre- preb pree pref prep pret preu pro- proa prob proe prof proo prop prot prou prtp prtr prue pruf prut pruu ptab ptaf pter ptop ptrf pu-e puao puar pube pubu pueo puer puet pueu puff puft pupa pupe pupu pur- pura purb pure puro purp purr puru put- puta pute puto putt putu raab raaf raat raba