a-be a-do a-ha aaaa aaab aaac aaad aaae aaah aaar aaba aabb aabc aabd aabh aabt aaca aacb aacc aacd aace aach aaco aacr aact aada aadc aade aadt aaea aaec aaha aaoe aaoo aara aarc aard aare aaro aart aata aatc aatt abaa abab abac abad abae abar abat abb- abba abbb abbe abbo abbr abbt abca abcb abcc abcd abch abcr abct abda abdo abec abed abee aber abet abha abho abhr aboa abob abod aboh aboo abor abot abra abrc abro abta ac-t acaa acab acac acad acae acar acat acba acca accc accd acce acch acco acct acda acdb acdc acde acdt ace- acea acec aced aceh acer acet acha ache achh acho achr acht acoa acod acoe acoh acor acot acr- acra acrc acre acro acrr acta actc acte acth acto actt adaa adab adac adad adae adah adao adar adat adba adbc adcc adda addc addd adde addo addr adea adeb adee adeh adeo ader adet adha adhd adho adob adoc adod adoe adoo ador adot adra adre adro adta aeac aecb aect aede aedt aeer aer- aera aerc aerd aero aeta aetc aeto aetr aett ahab ahac ahad ahah ahar ahat ahed ahet ahha ahoa ahod ahoe ahor ahot ahra ahrc ahre ahrr ahta ahte ahto aoah aoba aoca aoce aodh aora aorb aort aotc aotd arab arac arad arae arah arar arat arba arbe arbh arc- arca arce arch arco arct arda ardc arde ardo area arec ared aree areh areo aret arh- aroa arob arod aroe aroo aror arr- arra arrc arre arrh arro arrr arrt arta artc arte arth arto artr at-t ataa atab atac atad atae atar atat atca atcc atch atco atcr atdt atea atec ated atee ateo ater atha athe atho atob atoc atod atoe ator atot atra atrc atre atro atta atte atto attr baaa baad baah baar baat baba babb babe babo babr bac- baca bacc bace bach baco bact bada badb badd bade badh bado badr baed baer baha baho bahr baht baoh bar- bara barb barc bard bare barh baro barr bart bata batc bate bath bato batt bbad bbbb bbch bbdd bbdo bbeb bbet bbrc bcaa bcar bcat bcbc bcca bccc bcda bcde bcec bcer bcet bchd bche bcor bcra bctc bd-r bdbc bddc bddh bead beah bear beat beba bebb bebe bebo beca bech beda bede bedo beeb beed beer beet behr beo- beod beor beot bera berc berd bere bero berr bert beta betc bete beth beto bett bhao bhar bhat bhca bhcc bher bhet bhor bhot bhra bhrt boab boac boad boar boat boba bobb bobe bobo boca boce boch boco boda bodb bode bodh bodo boea boec boee boeo boer boet boha bohd boho bohr boht boob booc bood booe booh boor boot bor- bora bord bore borh boro borr bort bota botb botd bote both boto bott brab brac brad brae brah brao brat brca brcb brce brda brdo brdt brea breb brec bred bree breo brer bret broa brob broc brod broe broh broo bror brot brrr brtc btaa btcc btdt btec btob btor btrc btrt bttb c-bo c-cd caaa caab caac caah caat caba cabe cabo cac- caca cacc cace cach caco cacr cada cadc cadd cade cado cadr caec caer caha cahe caht caod caor cara carb carc card care caro carr cart cat- cata catb catc catd cate cath cato catt cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbdb cbdc cbdo cbea cbec cbee cber cbet cbha cbot cbrd cbre cbrh cbrt cbta cbtc ccaa ccab ccac ccad ccar ccat ccba ccbc ccca cccb cccc ccdc ccdh ccdr cced ccee ccha cche cchr ccob ccoc ccod 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 chaa chab chac chad chae chah chao char chat chca chce chch chea cheb chec ched chee cheh cher chet chha choc chod choh choo chor chra chrb chrc chrd chro chrr chrt chto chtr chtt coad coat coba cobb cobe cobh cobo coca coce coch coco coct coda codd code coed coha coho coob cood cooh coot cor- cora corb corc cord core coro corr cort cota cotb cotc cote coth coto cott crab crac crar crat crbc crca crcc crce crcr crda crdc cre- crea creb crec cred cree creh creo cret crob croc crod croe croh croo cror crot crrt crtc ctab ctae ctba ctca ctec ctor ctot ctrc ctta d-bo daab daad daae daar daba dabb dabo dabt daca dace dact dada dade dado daeb daer daha dahe dara darb darc dard dare daro darr dart data date dato datr datt dbar dbcc dbtt dcbc dcca dccb dccc dcct dcdb dche dcra dctc dddd ddoc ddot ddrc ddre deac dead deae dear deba debe debt dec- deca decc decd dece deco dect deda dedd dede dedo deeb deed deer deet deha deor der- dera derb derc dere dero derr deta dete deth deto detr dhaa dhad dhao dhar dhat dhec dhed dhee dher dhod dhor doab doae doar doat doba dobb dobe doca doce doch doco doct dod- doda dodd dode dodo doea doer doha dohc dohr doob dood door doot dora dorc dord dore doro dorr dort dota dotd dote doth doto dott draa drab drac drad drar drat drba drbc drca drda drea dred dree dreh dret drob drod droh drot drra dtaa dtac dtcc dted dthd dtor dtot eaba eabh eaca eacc each eada eadb eadd eaec eara earb eard eare earh earo eart eata eate eath ebac ebba ebbc ebbo ebbr ebcc ebed eber eboe eboo ebor ebro ecaa ecac ecad ecao ecar ecat ecbc ecbe ecca eccb eccc ecce ecco ecct ecdc eced echa eche echo echt eco- ecod ecot ecra ecrc ecrr ect- ecta ectc ecth