a-be a-do a-wa aaaa aaab aaac aaad aaae aaar aaba aabb aabc aabd aabt aabw aaca aacb aacc aacd aace aaco aacr aact aada aadc aade aadt aaea aaec aaoe aaoo aaow aara aarc aard aare aaro aart aata aatc aatt aatw aawt aaww abaa abab abac abad abae abar abat abaw abb- abba abbb abbe abbo abbr abbt abca abcb abcc abcd abcr abct abcw abda abdo abec abed abee aber abet aboa abob abod aboo abor abot abow abra abrc abro abta abwa abwe abwr ac-t acaa acab acac acad acae acar acat acba acca accc accd acce acco acct acda acdb acdc acde acdt ace- acea acec aced acer acet acoa acod acoe acor acot acow acr- acra acrc acre acro acrr acta actc acte acto actt acwa acww adaa adab adac adad adae adao adar adat adaw adba adbc adcc adda addc addd adde addo addr adea adeb adee adeo ader adet adew adob adoc adod adoe adoo ador adot adra adre adro adta adwa aeac aecb aect aede aedt aeer aer- aera aerc aerd aero aeta aetc aeto aetr aett aoba aoca aoce aora aorb aort aotc aotd aowd arab arac arad arae arar arat araw arba arbe arc- arca arce arco arct arda ardc arde ardo area arec ared aree areo aret arew aroa arob arod aroe aroo aror arow arr- arra arrc arre arro arrr arrt arta artc arte arto artr arwa arwe at-t ataa atab atac atad atae atar atat atca atcc atco atcr atdt atea atec ated atee ateo ater atew atob atoc atod atoe ator atot atra atrc atre atro atta atte atto attr atwa atwo atwt awac awad awae awar awbe awe- aweb awed awee awer awet awoo awow awre awro awwa baaa baad baar baat baba babb babe babo babr bac- baca bacc bace baco bact bada badb badd bade bado badr baed baer bar- bara barb barc bard bare baro barr bart bata batc bate bato batt baw- bawd bawe bbad bbbb bbdd bbdo bbeb bbet bbrc bbwc bbwr bcaa bcar bcat bcbc bcca bccc bcda bcde bcec bcer bcet bcor bcra bctc bd-r bdbc bddc bead bear beat beaw beba bebb bebe bebo beca beda bede bedo beeb beed beer beet beo- beod beor beot bera berc berd bere bero berr bert beta betc bete beto bett betw bewa bewe boab boac boad boar boat boba bobb bobe bobo bobw boca boce boco boda bodb bode bodo boea boec boee boeo boer boet boob booc bood booe boor boot boow bor- bora bord bore boro borr bort borw bota botb botd bote boto bott botw bowa bowd bowe bowr bowt brab brac brad brae brao brat braw brca brcb brce brcw brda brdo brdt brea breb brec bred bree breo brer bret brew broa brob broc brod broe broo bror brot brow brrr brtc brwe btaa btcc btdt btec btob btor btrc btrt bttb btwc btwo bwaa bwoc c-bo c-cd caaa caab caac caat caba cabe cabo cac- caca cacc cace caco cacr cacw cada cadc cadd cade cado cadr cadw caec caer caod caor cara carb carc card care caro carr cart cat- cata catb catc catd cate cato catt catw cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbdb cbdc cbdo cbea cbec cbee cber cbet cbot cbrd cbre cbrt cbta cbtc cbwa cbwd ccaa ccab ccac ccad ccar ccat ccba ccbc ccca cccb cccc ccdc ccdr cced ccee ccob ccoc ccod ccow ccra ccrc ccre ccrt cctb cctc cctt cd-e cd-r cdaa cdac cdad cdba cdda cddb cddr cdec cder cdot cdre ceac cead cear ceat ceba cec- ceca cece ceco cect ceda cedd cede cedo cedt ceeb ceec ceor cer- cera cerc cerd cere cero cert cet- ceta cete ceto cewa cewe coad coat coba cobb cobe cobo coca coce coco coct coda codd code coed coob cood coot cor- cora corb corc cord core coro corr cort cota cotb cotc cote coto cott cotw cowd cowe cowt crab crac crar crat craw crbc crca crcc crce crcr crda crdc cre- crea creb crec cred cree creo cret crew crob croc crod croe croo cror crot crow crrt crtc crwd ctab ctae ctba ctca ctec ctor ctot ctrc ctta cttw cwac cweb cwer cwot cwrw d-bo daab daad daae daar daba dabb dabo dabt daca dace dact dada dade dado daeb daer dara darb darc dard dare daro darr dart data date dato datr datt dawa dawd dawe dawo dawr dawt dbar dbcc dbtt dcbc dcca dccb dccc dcct dcdb dcra dctc dddd ddoc ddot ddrc ddre deac dead deae dear deaw deba debe debt dec- deca decc decd dece deco dect deda dedd dede dedo deeb deed deer deet deor der- dera derb derc dere dero derr deta dete deto detr dewa dewe doab doae doar doat doba dobb dobe doca doce doco doct dod- doda dodd dode dodo doea doer doob dood door doot dora dorc dord dore doro dorr dort dota dotd dote doto dott dowa dowb dowd dowe dowr dowt draa drab drac drad drar drat draw drba drbc drca drda drea dred dree dret drew drob drod drot drow drra dtaa dtac dtcc dted dtor dtot dwac dwad dwar dwbe dwbr dwct dwcw dwdd dwec dwer dwet dwor dwrd dwrt dwrw dwte dwwe dwww eaba eaca eacc eada eadb eadd eaec eara earb eard eare earo eart earw eata eate ebac ebba ebbc ebbo ebbr ebbw ebcc ebed eber eboe eboo ebor ebow ebro ecaa ecac ecad ecao ecar ecat ecbc ecbe ecca eccb eccc ecce ecco ecct ecdc eced eco- ecod ecot ecra ecrc ecrr ect- ecta ectc ecto ecwa edac edad edar edaw edca edda eddc edde eddo ede- edea eder edoc edod edra edta eeca eede eeea eeee eeoc eera eerc eero eeta eetc eete eocd eode eora eore eota eotc eotd eoto eotw erad erat erba erbb erbe erca ercc erce erda erde ereb erec ered erer eret erew erob eroc erod