a-be aaaa aaab aaad aaae aaap aaar aaba aabb aabd aabp aabt aada aade aadt aadu aaea aaep aapa aapt aara aard aare aarp aart aaru aata aatt aaup abaa abab abad abae abap abar abat abau abb- abba abbb abbe abbr abbt abda abdu abed abee aber abet abpa abpd abpp abpr abra abta abtu abua abud abue abut adaa adab adad adae adap adar adat adba adda addd adde addr addu adea adeb adee ader adet adp- adra adre adta adua adub adue adur aeap aede aedt aeer aer- aera aerd aeta aetr aett apap apar apat apba apbr apda apdd apdu apea aped apep aper apet apeu appa appd appr appt appu apra apre aprt apta apte aptt apua apud apup arab arad arae arap arar arat arau arba arbe arda arde ardu area ared aree arep aret areu arpa arpe arpu arr- arra arre arrr arrt arru arta arte artr arua arub arud arue arup arut at-t ataa atab atad atae atap atar atat atdt atea ated atee atep ater atpr atra atre atrp atru atta atte attp attr attu atua atub atur auaa aube aude auer aur- aura aurd aure aut- aute baaa baad baar baat baba babb babe babr babu bada badb badd bade badr badu baed baer bapa bape bapp bapt bapu bar- bara barb bard bare barr bart baru bata bate batt batu bau- baud baur bbad bbau bbbb bbdd bbeb bbet bbpr bd-r bead beap bear beat beau beba bebb bebe beda bede bedu beeb beed beep beer beet bera berd bere berr bert beru beta bete bett betu beur bpda bpea bprd brab brad brae brat brau brda brdt brea breb bred bree brep brer bret brrr brud brue brup brut btaa btbp btdt btrt bttb buad buar buat buba bubb bube bubu buda budb budd bude budu buea buer bueu bupa bur- bura burb burd bure burp burr burt buru but- buta bute butt daab daad daae daap daar daau daba dabb dabp dabt dabu dada dade dadu daeb daer daeu dapa dape dapp dapu dara darb dard dare darp darr dart daru data date datp datr datt datu daub daud daue daur daut dbar dbpd dbtt dddd ddre ddub dead deae deap dear deau deba debe debt debu deda dedd dede dedu deeb deed deep deer deet depa depe depp depr dept der- dera derb dere derp derr deta dete detr deua deue deur deut dpaa dpdt dper dppa draa drab drad drap drar drat drau drba drda drea dred dree dret drra drua drub drue drup drut druu dtaa dtap dtdp dted dttp duaa duab duad duar duat dub- duba dubb dube dubu duda dudd dude dudu duer duet dupa dupe dura dure durt duru duta dute dutp duur duut eaba eada eadb eadd eadp eapp eara earb eard eare earp eart eata eate ebba ebbr ebed eber ebru ebur edad edar edda edde eddp ede- edea eder edra edru edta edup edur eede eedu eeea eeee eera eeta eete eetu epaa epad epee eper eppa eppp epra eprb eprp epta epte epub erad erap erat erau erba erbb erbe erda erde ereb ered erer eret erpa erpe erra erre erta ertu erua erub erur etap etat etbr etee eter etra etre etta ette ettu etua euba eude euer eur- eura eure eurt paap paar paat paba pabt pabu pada padd pade padu paea paep paer papa papb pape papp papr par- para pard pare parp parr part paru pata patd pate patr patt patu paua paud paup paur paut pbar pbed pbpa pdea pdpa pdpr peab peap pear peat peau peba ped- peda pede peed peep peer peet pepa pepd pepe per- pera perd pere perp perr pert peru peta pete petr pett peur peut ppad ppap ppar pper pppa pppd pppp ppru ppta pptt ppur prad prae prar prat prau pre- preb pred pree prep pret preu prpd prrd prtp prtr prud prue prut pruu ptab pter ptpd ptrd pu-e puar pube pubu pudu pued puer puet pueu pupa pupe pupu pur- pura purb pure purp purr puru put- puta pute putt putu raab raad raat raba rabb rabe rabu rada radd rade radr radt radu raed raep raer rapa rapd rape rapp rapt rara rarb rare rata rate ratp ratt ratu raua raub raud raue raup raut rbbb rbbr rdap rdbp rder rea- read reae reap rear reat reau reba rebb rebe rebu reda redd rede redr redu reeb reed reep reet repe repp repr rept repu rera rerd rere rert reru reta retd rete retr rett reue reup reut reuu rpdp rpet rpta rptd rrad rrat rred rrrr rtdt rtee rtpa rttp ruad ruba rubb rube rubp rubu ruda rudd rude rudp rued ruer ruet rupa rupe rupp rupt rura rurd rure rurp ruru ruta rute rutt rutu ruud taa- taar taat taba tabb tabe tabu tada tade taer tapa tape tapp tapr tapt tapu tara tarb tard tare tarp tarr tart taru tata tatb tate tatr tatt tatu taua taub taue taur taut tbar tbrb tbta tbtp tdap tddb tdra tead tear teat teba tebu teda tedd tede teed teer teet tepa tepe tepp tepu ter- tera tere terp terr teru teta tete tetr tett tetu teut tpap tpau tpdu tped tper tppa tppd tppp tppr tpte tptp tptr tput traa trab trad trae trap trat trau tre- trea tred tree tret treu trpa trpe trpp trra trte trtr trub trud true trut truu ttab ttbb tter tttt tuae tuar tuat tuba tubb tube tubr tubu tude tudu tuer tuet tupa tupe tupu tura turb turd ture turp turr turt turu tuta tute tutt tutu u-rp uart uaru uata uatu uaua ubar ubba ubbe uber ubet ubra ubud udaa udad udar udau udea uder udet udpd udra ueba ueda upar upat upbe upda uped uppa uppe uppp uppu upra upup urad urap urat urau urba urbe urda urde urdu ure- urea ured uret urra urre urte urup urur urut utau utep uter