a-be aaaa aaab aaac aaae aaal aaar aaba aabb aabc aabl aabt aaca aacb aacc aace aacl aaco aacr aact aacu aaea aaec aala aalc aale aall aalo aalu aaoe aaoo aara aarc aare aaro aart aaru aata aatc aatt abaa abab abac abae abal abar abat abau abb- abba abbb abbe abbo abbr abbt abca abcb abcc abcl abcr abct abec abee abel aber abet abla able ablo aboa abob abol aboo abor abot abou abra abrc abro abta abtu abua abue abul abut ac-t acaa acab acac acae acar acat acba acbl acca accc acce acco acct accu ace- acea acec acel acer acet acla aclc acle aclr aclu acoa acoe acol acor acot acou acr- acra acrc acre acro acrr acta actc acte actl acto actt actu acu- acue acul acuo acur acut aeac aecb aecl aect aeer aela aelc aer- aera aerc aero aeta aetc aeto aetr aett alaa alac alae alal alao alar alat alau alb- alba albc albe albo albu alca alcc alce alco alea alec alee aleo aler alet aleu all- alla alle alll allo allr allu aloa aloc aloe alol aloo alor alot alou alro alta alte alto alua alur alut aoba aoca aoce aoeu aola aole aora aorb aort aotc aoul aout arab arac arae aral arar arat arau arba arbe arc- arca arce arco arct area arec aree arel areo aret areu arla arle arlo aroa arob aroe aroo aror arr- arra arrc arre arro arrr arrt arru arta artc arte arto artr arua arub arue arul arut at-l at-t ataa atab atac atae atal atar atat atca atcc atcl atco atcr atea atec atee atel ateo ater atla atle atlo atob atoc atoe atol ator atot atra atrc atre atro atru atta atte atto attr attu atua atub atuc atul atur auaa aube auca auce auct auel auer aul- aula aule aull aulo ault aulu auol aur- aura aure auro aut- aute auto baaa baal baar baat baba babb babe babo babr babu bac- baca bacc bace baco bact bael baer bala balc bale ball balo balt balu baol bar- bara barb barc bare baro barr bart baru bata batc bate bato batt batu bau- baul baur bbau bbbb bbeb bbet bblb bbrc bcaa bcar bcat bcbc bcca bccc bccl bcec bcer bcet bcor bcra bcru bctc bcuc beal bear beat beau beba bebb bebe bebo beca becu beeb beel beer beet bela bele bell belo belt belu beo- beor beot bera berc bere bero berr bert beru beta betc bete beto bett betu beur blaa blab blac blae blat blau blbt blcu blea bleb blee bleo blet bleu blob bloc bloo blot blou blrc blub blue blur blut boab boac boal boar boat boba bobb bobe bobo bobu boca boce boco bocu boea boec boee boel boeo boer boet bola bole boll bolo bolt bolu boob booc booe bool boor boot bor- bora bore boro borr bort boru bota botb bote boto bott boua boue boul bour bout brab brac brae brao brat brau brca brcb brce brea breb brec bree brel breo brer bret broa brob broc broe brol broo bror brot brou brrr brtc bruc brue brut btaa btcc btcl btec btla btob btor btrc btrt bttb bual buar buat buba bubb bube bubo bubu buca bucc buce buco bucu buea buel buer bueu bula bulb bule bull bult bulu buol bur- bura burb bure burl buro burr burt buru but- buta bute buto butt c-bo caaa caab caac caal caat caba cabe cabo cabu cac- caca cacc cace caco cacr caec caer caeu cala calc cale call calo calt calu caol caor cara carb carc care carl caro carr cart cat- cata catb catc cate cato catt catu cauc caul cauo caut cbac cbal cbar cbat cbbc cbca cbcc cbce cbcl cbcr cbct cbcu cbea cbec cbee cber cbet cblb cblc cbol cbot cbre cbrl cbrt cbta cbtc cbtl ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc cccl cccu ccee ccel ccla cclc ccob ccoc ccra ccrc ccre ccrl ccrt cctb cctc cctl cctt ccuc ccut ceac ceal cear ceat ceba cebu cec- ceca cece ceco cect ceeb ceec ceel cel- cela celc cele cell celo celt ceol ceor ceou cer- cera cerc cere cerl cero cert cet- ceta cete ceto clab clar clat clau clea clec clee cleo cler clet cleu clob cloe cloo clor clot clou clra clro cltb cltc club clue clut coal coat coba cobb cobe cobo cobu coca coce coco coct cocu coel col- cola colb cole coll colo colt colu coob cool coot cor- cora corb corc core corl coro corr cort cota cotb cotc cote coto cott cotu coua coub coue coul cour cout crab crac crar crat crau crbc crbu crca crcc crce crcr cre- crea creb crec cree creo cret creu crob croc croe crol croo cror crot crrt crtc crtl crub crue crut ctab ctae ctal ctba ctca ctec ctle ctol ctor ctot ctrc ctrl ctta cuau cub- cuba cubb cube cuca cucc cuce cuer cula culb culc cule cull culo cult cura curb cure curl curo curr curt cut- cuta cutc cute cuto cutt e-cl e-la eaba eaca eacc eaec eala ealc eale eara earb eare earl earo eart eata eate ebac ebal ebba ebbc ebbo ebbr ebcc ebel eber ebla eboe ebol eboo ebor ebro ebru ebul ebur ecaa ecac ecal ecao ecar ecat ecbc ecbe ecca eccb eccc ecce eccl ecco ecct ecla eclt eco- ecol ecot ecou ecra ecrc ecrl ecrr ecru ect- ecta ectc ecto ecua eeca eeea eeee eele eeoc eera eerc eero eeta eetc eete eetu el-b elab elac elal elar elat elba elbe elbo elbu elca elcb elce elco elea elec elee eleo eler elet ella elle ello ellu elra elro elta elte elto elue elul eola eole eolo eora eore eorl eota eotc eoto eral erat erau erba erbb erbe erca ercc erce ereb erec erel erer eret erla erle erll erob eroc eroe