a-be aaaa aaab aaac aaae aaal aaap aaar aaba aabb aabc aabl aabp aabt aaca aacb aacc aace aacl aaco aacp aacr aact aaea aaec aaep aala aalc aale aall aalo aaoe aaoo aapa aapc aapl aapo aapt aara aarc aare aaro aarp aart aata aatc aatt abaa abab abac abae abal abap abar abat abb- abba abbb abbe abbo abbr abbt abca abcb abcc abcl abcp abcr abct abec abee abel aber abet abla able ablo aboa abob abol aboo abor abot abpa abpc abpp abpr abra abrc abro abta ac-t acaa acab acac acae acap acar acat acba acbl acca accc acce acco accp acct ace- acea acec acel acer acet acla aclc acle aclr acoa acoe acol acop acor acot acpa acpe acpr acpt acr- acra acrc acre acro acrr acta actc acte actl acto actt aeac aeap aecb aecl aect aeer aela aelc aelp aer- aera aerc aero aeta aetc aeto aetr aett al-p alaa alac alae alal alao alap alar alat alb- alba albc albe albo alca alcc alce alco alea alec alee aleo alep aler alet all- alla alle alll allo allr aloa aloc aloe alol aloo alop alor alot alpa alpe alpl alpo alro alta alte alto aoba aoca aoce aola aole aopo aora aorb aort aotc apac apal apao apap apar apat apba apbr apca apcb apcc apco apcr apea apec apel apep aper apet apl- apla aple aplp apo- apoc apoe apoo apop apor apot appa appc appl appr appt apra aprc apre apro aprt apta aptc apte aptt arab arac arae aral arap arar arat arba arbe arc- arca arce arco arct area arec aree arel areo arep aret arla arle arlo aroa arob aroe aroo aror arpa arpe arpl arr- arra arrc arre arro arrr arrt arta artc arte arto artr at-l at-t ataa atab atac atae atal atap atar atat atca atcc atcl atco atcr atea atec atee atel ateo atep ater atla atle atlo atob atoc atoe atol atop ator atot atpr atra atrc atre atro atrp atta atte atto attp attr baaa baal baar baat baba babb babe babo babr bac- baca bacc bace baco bact bael baer bala balc bale ball balo balt baol bapa bapc bape bapp bapt bar- bara barb barc bare baro barr bart bata batc bate bato batt bbbb bbeb bbet bblb bbpr bbrc bcaa bcap bcar bcat bcbc bcbp bcca bccc bccl bcec bcer bcet bcor bcpl bcpp bcra bctc beal beap bear beat beba bebb bebe bebo beca beeb beel beep beer beet bela bele bell belo belp belt beo- beor beot bepo bera berc bere bero berr bert beta betc bete beto bett blaa blab blac blae blat blbt blea bleb blee bleo blet blob bloc bloo blop blot blrc boab boac boal boar boat boba bobb bobe bobo boca boce boco boea boec boee boel boeo boep boer boet bola bole boll bolo bolt boob booc booe bool boop boor boot bopa bope bopp bor- bora bore boro borr bort bota botb bote boto bott bpcp bpea bpel bpoe bpot bprc brab brac brae brao brat brca brcb brce brea breb brec bree brel breo brep brer bret brlp broa brob broc broe brol broo bror brot brrr brtc btaa btbp btcc btcl btec btla btlp btob btor btrc btrt bttb c-bo caaa caab caac caal caap caat caba cabe cabo cac- caca cacc cace caco cacr caec caer cala calc cale call calo calp calt caol caor capa capb capc cape capo capp capt cara carb carc care carl caro carp carr cart cat- cata catb catc cate cato catt cbac cbal cbar cbat cbbc cbca cbcc cbce cbcl cbcp cbcr cbct cbea cbec cbee cber cbet cblb cblc cbol cbot cbpc cbpp cbre cbrl cbrt cbta cbtc cbtl ccaa ccab ccac ccap ccar ccat ccba ccbc ccca cccb cccc cccl cccp ccee ccel ccla cclc ccob ccoc ccpa ccpe ccpl ccpp ccpr ccra ccrc ccre ccrl ccrp ccrt cctb cctc cctl cctt ceac ceal cear ceat ceba cebp cec- ceca cece ceco cecp cect ceeb ceec ceel cel- cela celc cele cell celo celt ceol ceop ceor cepa cepc cepe cepo cepp cepr cept cer- cera cerc cere cerl cero cerp cert cet- ceta cete ceto cetp clab clap clar clat clea clec clee cleo clep cler clet clob cloe cloo clop clor clot clpb clpp clra clro cltb cltc coal coat coba cobb cobe cobo coca coce coco cocp coct coel coep col- cola colb cole coll colo colp colt coob cool coop coot copa cope copo copp copr copt cor- cora corb corc core corl coro corp corr cort cota cotb cotc cote coto cott cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cplc cppa cpre cprt cptp cptr crab crac crap crar crat crbc crca crcc crce crcr cre- crea creb crec cree creo crep cret crob croc croe crol croo crop cror crot crpc crrt crtc crtl crtp ctab ctae ctal ctba ctca ctcp ctec ctep ctle ctol ctor ctot ctpo ctpp ctrc ctrl ctrp ctta e-cl e-la eaba eaca eacc eaec eala ealc eale eaop eapc eapp eara earb eare earl earo earp eart eata eate ebac ebal ebba ebbc ebbo ebbr ebcc ebel eber ebla eboe ebol eboo ebor ebpo ebro ecaa ecac ecal ecao ecar ecat ecbc ecbe ecca eccb eccc ecce eccl ecco ecct ecla eclt eco- ecol ecop ecot ecpa ecpp ecra ecrc ecrl ecrr ect- ecta ectc ecto eeca eeea eeee eele eeoc eera eerc eero eeta eetc eete el-b el-p elab elac elal elar elat elba elbe elbo elca elcb elce elco elea elec elee eleo eler elet ella elle ello elpe elra elro elta elte elto eola eole eolo eora eore eorl eota eotc eoto epaa epac epcc epec epee eper eple epll epoc epol epor epot eppa eppc eppo eppp epra eprb epro eprp epta epte eral erap erat erba erbb erbe erca ercc erce ercp ereb erec erel erer