a-be aaaa aaab aaac aaad aaae aaap aaar aaba aabb aabc aabd aabp aabt aaca aacb aacc aacd aace aacp aacr aact aacu aada aadc aade aadt aadu aaea aaec aaep aapa aapc aapt aara aarc aard aare aarp aart aaru aata aatc aatt aaup abaa abab abac abad abae abap abar abat abau abb- abba abbb abbe abbr abbt abca abcb abcc abcd abcp abcr abct abda abdu abec abed abee aber abet abpa abpc abpd abpp abpr abra abrc abta abtu abua abud abue abut ac-t acaa acab acac acad acae acap acar acat acba acca accc accd acce accp acct accu acda acdb acdc acde acdp acdt ace- acea acec aced acer acet acpa acpd acpe acpr acpt acpu acr- acra acrc acre acrr acta actc acte actt actu acu- acue acup acur acut adaa adab adac adad adae adap adar adat adba adbc adcc adda addc addd adde addr addu adea adeb adee ader adet adp- adra adre adta adua adub adue adur aeac aeap aecb aect aede aedt aeer aer- aera aerc aerd aeta aetc aetr aett apac apap apar apat apba apbr apca apcb apcc apcd apcr apda apdd apdu apea apec aped apep aper apet apeu appa appc appd appr appt appu apra aprc apre aprt apta aptc apte aptt apua apuc apud apup arab arac arad arae arap arar arat arau arba arbe arc- arca arce arct arda ardc arde ardu area arec ared aree arep aret areu arpa arpe arpu arr- arra arrc arre arrr arrt arru arta artc arte artr arua arub arud arue arup arut at-t ataa atab atac atad atae atap atar atat atca atcc atcr atdt atea atec ated atee atep ater atpr atra atrc atre atrp atru atta atte attp attr attu atua atub atuc atur auaa aube auca auce aucp auct audc aude auer aupc aur- aura aurd aure aut- aute baaa baad baar baat baba babb babe babr babu bac- baca bacc bace bact bada badb badd bade badr badu baed baer bapa bapc bape bapp bapt bapu bar- bara barb barc bard bare barr bart baru bata batc bate batt batu bau- baud baur bbad bbau bbbb bbdd bbeb bbet bbpr bbrc bcaa bcap bcar bcat bcbc bcbp bcca bccc bcda bcde bcec bcer bcet bcpp bcra bcru bctc bcuc bcup bd-r bdbc bddc bdpc bead beap bear beat beau beba bebb bebe beca becu beda bede bedu beeb beed beep beer beet bera berc berd bere berr bert beru beta betc bete bett betu beur bpcp bpda bpea bprc bprd brab brac brad brae brat brau brca brcb brce brda brdt brea breb brec bred bree brep brer bret brrr brtc bruc brud brue brup brut btaa btbp btcc btdt btec btrc btrt bttb buad buar buat buba bubb bube bubu buca bucc buce bucu buda budb budd bude budu buea buer bueu bupa bupc bur- bura burb burd bure burp burr burt buru but- buta bute butt c-cd caaa caab caac caap caat caba cabe cabu cac- caca cacc cace cacr cada cadc cadd cade cadr cadu caec caer caeu capa capb capc capd cape capp capt capu cara carb carc card care carp carr cart cat- cata catb catc catd cate catt catu cauc caup caut cbac cbar cbat cbbc cbca cbcc cbce cbcp cbcr cbct cbcu cbdb cbdc cbea cbec cbee cber cbet cbpc cbpp cbrd cbre cbrt cbta cbtc ccaa ccab ccac ccad ccap ccar ccat ccba ccbc ccca cccb cccc cccp cccu ccdc ccdp ccdr cced ccee ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ccrt cctb cctc cctt ccuc ccup ccut cd-e cd-r cdaa cdac cdad cdba cdda cddb cddr cdec cder cdre ceac cead cear ceat ceba cebp cebu cec- ceca cece cecp cect ceda cedd cede cedt cedu ceeb ceec cepa cepc cepe cepp cepr cept cer- cera cerc cerd cere cerp cert cet- ceta cete cetp cpaa cpac cpad cpap cpbc cpca cpce cpcu cpea cpeb cpep cper cppa cppd cpre cprt cptp cptr crab crac crap crar crat crau crbc crbu crca crcc crce crcr crda crdc cre- crea creb crec cred cree crep cret creu crpc crrt crtc crtp crub crud crue crup crut ctab ctae ctba ctca ctcp ctec ctep ctpp ctrc ctrp ctta cuau cub- cuba cubb cube cuca cucc cuce cuda cude cued cuer cupe cupp cupr cura curb curd cure curr curt cut- cuta cutc cute cutt daab daad daae daap daar daau daba dabb dabp dabt dabu daca dace dact dada dade dadu daeb daer daeu dapa dape dapp dapu dara darb darc dard dare darp darr dart daru data date datp datr datt datu daub daud daue daur daut dbar dbcc dbcp dbpc dbpd dbtt dcbc dcca dccb dccc dccp dcct dccu dcdb dcra dctc dcup dddd ddrc ddre ddub deac dead deae deap dear deau deba debe debt debu dec- deca decc decd dece dect deda dedd dede dedu deeb deed deep deer deet depa depc depe depp depr dept der- dera derb derc dere derp derr deta dete detr deua deue deur deut dpaa dpac dpbc dpcp dpdt dper dppa dppc draa drab drac drad drap drar drat drau drba drbc drca drda drea dred dree dret drra drua drub drue drup drut druu dtaa dtac dtap dtcc dtdp dted dttp duaa duab duad duar duat dub- duba dubb dubc dube dubu duca duce duct duda dudd dude dudu duer duet dupa dupe dura dure durt duru duta dute dutp duur duut eaba eaca eacc eada eadb eadd eadp eaec eapc eapp eara earb eard eare earp eart eata eate ebac ebba ebbc ebbr ebcc ebed eber ebru ebur ecaa ecac ecad ecar ecat ecbc ecbe ecca eccb eccc ecce ecct ecdc eced ecpa ecpd ecpp ecra ecrc ecrr ecru ect- ecta ectc ecua edac edad edar edca edda eddc edde eddp ede- edea eder edra edru edta educ edup edur eeca eede eedu eeea eeee eera eerc eeta eetc eete eetu epaa