a-be a-do aaaa aaab aaac aaad aaae aaar aaba aabb aabc aabd aabt aaca aacb aacc aacd aace aaco aacr aact aacu aada aadc aade aadt aadu aaea aaec aage aaoe aaoo aara aarc aard aare aaro aart aaru aata aatc aatt abaa abab abac abad abae abag abar abat abau abb- abba abbb abbe abbo abbr abbt abca abcb abcc abcd abcr abct abda abdo abdu abec abed abee aber abet abgd aboa abob abod aboo abor abot abou abra abrc abro abta abtu abua abud abue abug abut ac-t acaa acab acac acad acae acag acar acat acba acca accc accd acce acco acct accu acda acdb acdc acde acdt ace- acea acec aced acer acet acga acgr acoa acod acoe acog acor acot acou acr- acra acrc acre acro acrr acta actc acte actg acto actt actu acu- acue acuo acur acut adaa adab adac adad adae adag adao adar adat adba adbc adcc adda addc addd adde addo addr addu adea adeb adee adeo ader adet adob adoc adod adoe adog adoo ador adot adra adre adro adta adua adub adue adur aeac aecb aect aede aedt aeer aega aer- aera aerc aerd aero aeta aetc aeto aetr aett ag-o agac agad agag agao agar agat agau agba agbo agca agcc agce agco agct agda agde agea aged agee ager aget agga agge aggu agob agod agog agoo agot agou agra agre agro agta agte agtr agua ague agur agut aoba aoca aoce aoeu aora aorb aort aotc aotd aout arab arac arad arae arag arar arat arau arba arbe arc- arca arce arco arct arda ardc arde ardo ardu area arec ared aree areg areo aret areu arga argb arge argo aroa arob arod aroe aroo aror arr- arra arrc arre arrg arro arrr arrt arru arta artc arte arto artr arua arub arud arue arug arut at-t ataa atab atac atad atae atar atat atca atcc atco atcr atdt atea atec ated atee ateo ater atgo atob atoc atod atoe ator atot atra atrc atre atro atru atta atte atto attr attu atua atub atuc atug atur auaa aube auca auce auct audc aude audo auer auga auge aur- aura aurd aure auro aut- aute auto auug baaa baad baar baat baba babb babe babo babr babu bac- baca bacc bace baco bact bada badb badd bade bado badr badu baed baer baga bage bagg bago bagt bar- bara barb barc bard bare barg baro barr bart baru bata batc bate bato batt batu bau- baud baug baur bbad bbau bbbb bbdd bbdo bbeb bbet bbga bbrc bbrg bcaa bcar bcat bcbc bcbg bcca bccc bcda bcde bcec bcer bcet bcor bcra bcru bctc bcuc bd-r bdbc bddc bdog bead beag bear beat beau beba bebb bebe bebo beca becu beda bede bedo bedu beeb beed beeg beer beet bega begg bego begu beo- beod beor beot bera berc berd bere berg bero berr bert beru beta betc bete beto bett betu beur bgca boab boac boad boag boar boat boba bobb bobe bobo bobu boca boce boco bocu boda bodb bode bodo bodu boea boec boee boeo boer boet boga bogd boge bogg bogo bogt boob booc bood booe boog boor boot bor- bora bord bore borg boro borr bort boru bota botb botd bote boto bott boua boud boue bour bout brab brac brad brae brag brao brat brau brca brcb brce brda brdo brdt brea breb brec bred bree breg breo brer bret broa brob broc brod broe brog broo bror brot brou brrr brtc bruc brud brue brug brut btaa btcc btdt btec btob btor btrc btrt bttb buad buar buat buba bubb bube bubo bubu buca bucc buce buco bucu buda budb budd bude budg budo budu buea buer bueu buga buge bugg bugo bur- bura burb burd bure burg buro burr burt buru but- buta bute buto butt c-bo c-cd caaa caab caac caat caba cabe cabg cabo cabu cac- caca cacc cace caco cacr cada cadc cadd cade cado cadr cadu caec caer caeu caga cage cagg cago cagr caod caor cara carb carc card care caro carr cart cat- cata catb catc catd cate cato catt catu cauc cauo caut cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbcu cbdb cbdc cbdo cbea cbec cbee cber cbet cbga cbgb cbot cbrd cbre cbrt cbta cbtc ccaa ccab ccac ccad ccag ccar ccat ccba ccbc ccca cccb cccc cccu ccdc ccdr cced ccee ccga ccgc ccgt ccob ccoc ccod ccra ccrc ccre ccrg ccrt cctb cctc cctt ccuc ccut cd-e cd-r cdaa cdac cdad cdba cdda cddb cddr cdec cder cdot cdre ceac cead cear ceat ceba cebu cec- ceca cece ceco cect ceda cedd cede cedo cedt cedu ceeb ceec cege cego ceor ceou cer- cera cerc cerd cere cero cert cet- ceta cete ceto cgac cgcc cgcg cged cger cgro cgtu coad coag coat coba cobb cobe cobo cobu coca coce coco coct cocu coda codd code coed cogo coob cood coot cor- cora corb corc cord core corg coro corr cort cota cotb cotc cote coto cott cotu coua coub coud coue cour cout crab crac crag crar crat crau crbc crbu crca crcc crce crcr crda crdc cre- crea creb crec cred cree creg creo cret creu crob croc crod croe croo cror crot crrt crtc crub crud crue crug crut ctab ctae ctag ctba ctca ctec ctge ctgu ctor ctot ctrc ctta cuau cub- cuba cubb cube cuca cucc cuce cuda cude cued cuer cuga cura curb curd cure curo curr curt cut- cuta cutc cute cuto cutt d-bo daab daad daae daag daar daau daba dabb dabo dabt dabu daca dace dact dada dade dado dadu daeb daer daeu daga dage dagg dago dagr dagu daou dara darb darc dard dare darg daro darr dart daru data date dato datr datt datu daub daud daue daur daut dbag dbar dbcc dbtt dcbc dcca dccb dccc dcct dccu dcdb dcgo dcra