a-be a-ha aaaa aaab aaac aaae aaah aaar aaba aabb aabc aabh aabt aaca aacb aacc aace aach aaco aacr aact aaea aaec aaha aaoe aaoo aara aarc aare aaro aart aata aatc aatt abaa abab abac abae abar abat abax abb- abba abbb abbe abbo abbr abbt abca abcb abcc abch abcr abct abec abee aber abet abha abho abhr aboa abob aboh aboo abor abot abox abra abrc abro abta ac-t acaa acab acac acae acar acat acba acca accc acce acch acco acct ace- acea acec aceh acer acet acha ache achh acho achr acht acoa acoe acoh acor acot acr- acra acrc acre acro acrr acta actc acte acth acto actt aeac aecb aect aeer aer- aera aerc aero aeta aetc aeto aetr aett aetx ahab ahac ahah ahar ahat ahet ahex ahha ahoa ahoe ahor ahot ahra ahrc ahre ahrr ahta ahte ahto aoah aoba aoca aoce aora aorb aort aotc arab arac arae arah arar arat arax arba arbe arbh arc- arca arce arch arco arct area arec aree areh areo aret arex arh- aroa arob aroe aroo aror arr- arra arrc arre arrh arro arrr arrt arta artc arte arth arto artr artx at-t at-x ataa atab atac atae atar atat atax atca atcc atch atco atcr atea atec atee ateo ater atex atha athe atho atob atoc atoe ator atot atra atrc atre atro atrx atta atte atto attr axar axat axce axer axo- axoa axto axxo ba-x baaa baah baar baat baba babb babe babo babr bac- baca bacc bace bach baco bact baer baha baho bahr baht baoh bar- bara barb barc bare barh baro barr bart barx bata batc bate bath bato batt baxt bbbb bbch bbeb bbet bbox bbrc bcaa bcar bcat bcbc bcca bccc bcec bcer bcet bche bcor bcra bctc beah bear beat beba bebb bebe bebo beca bech beeb beer beet behr beo- beor beot bera berc bere bero berr bert beta betc bete beth beto bett bhao bhar bhat bhca bhcc bher bhet bhor bhot bhra bhrt boab boac boar boat boba bobb bobe bobo boca boce boch boco boea boec boee boeo boer boet boha boho bohr boht boob booc booe booh boor boot boox bor- bora bore borh boro borr bort bota botb bote both boto bott boxa brab brac brae brah brao brat brax brca brcb brce brea breb brec bree breo brer bret brex broa brob broc broe broh broo bror brot brox brrr brtc btaa btcc btcx btec btex btob btor btrc btrt bttb c-bo caaa caab caac caah caat caba cabe cabo cac- caca cacc cace cach caco cacr caec caer caex caha cahe caht caor cara carb carc care caro carr cart carx cat- cata catb catc cate cath cato catt caxa cbac cbar cbat cbax cbbc cbca cbcc cbce cbcr cbct cbea cbec cbee cber cbet cbha cbot cbox cbre cbrh cbrt cbta cbtc cbxa ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc ccee ccha cche cchr ccob ccoc ccra ccrc ccre ccrt cctb cctc cctt ceac cear ceat ceba cec- ceca cece ceco cect ceeb ceec ceor cer- cera cerc cere cero cert cet- ceta cete ceto cexe chaa chab chac chae chah chao char chat chax chca chce chch chea cheb chec chee cheh cher chet chex chha choc choh choo chor chra chrb chrc chro chrr chrt chto chtr chtt coat coax coba cobb cobe cobh cobo coca coce coch coco coct coex coha coho coob cooh coot cor- cora corb corc core coro corr cort cota cotb cotc cote coth coto cott coxa coxe crab crac crar crat crax crbc crca crcc crce crcr cre- crea creb crec cree creh creo cret crex crob croc croe croh croo cror crot crrt crtc ctab ctae ctba ctca ctec ctor ctot ctrc ctta cxro cxxx eaba eabh eaca eacc each eaec eara earb eare earh earo eart eata eate eath ebac ebba ebbc ebbo ebbr ebcc eber eboe eboo ebor ebox ebro ecaa ecac ecao ecar ecat ecbc ecbe ecca eccb eccc ecce ecco ecct echa eche echo echt eco- ecot ecra ecrc ecrr ect- ecta ectc ecth ecto eeca eeea eeee eeoc eera eerc eero eeta eetc eete eeth eext ehaa ehcc ehea eheh eher ehre ehte eora eore eota eotc eoto er-x erat erba erbb erbe erca ercc erce erch ereb erec erer eret erhc erob eroc eroe eroo erra errc erre erro erta erth etah etat etbc etbr etcc etch etco etec etee eter eth- etha ethe etho etoe etoh etox etra etre etro etta ette etto exa- exch exco exec exer exh- exo- exor exrx exta exte extr haab haar haat haba habe habo habt hace haco haec haet haha haho haht haor hara harc hare harh haro harr hart hata hatb hate hath hato hatt haxe haxo hbar hboc hbox hcat hcbc hcca hccb hccc hcch heah hear heat hebb hebe hebo hebr heca hech hect heeb heer heet hehe heho heor hera herb herc here hero herr hert heta hete heth heto hett hex- hexa hexb hexe hext hhaa hhat hhex hhhh hoac hoar hoat hoax hoba hobe hobo hoca hoce hoch hocr hoer hoha hohe hoho hooe hoor hoot hoox hora horc hore horo horr hort hota hotb hote hoth hoto hotr hott hoxa hrac hree hrob hrrc hrta hrtb hrte htab htcc htea htet htoh htra httr o-eo oaer oahe oara oare oate oath obba obbo obea obec ober obet obex oboe obor obot obox obra obre obrh obro ocab ocac ocat ocbc occa occc occt oce ocee ocet ocha oche ocht ocra ocre ocro ocrr oct- octa octe octo oeax oec- oeca oecc oeec oera oere oeta ohba ohbe ohcc ohee oher ohho ohob ohoh ohra ohre ohta ohte ohto ooaa ooba oobe oocr ooer ooha ooho oooh oooo oora oore oort ootb orab orac orae orah orao orar orat orba orbb orbe orbo orca orce orch orco ore- orea oreb orec oreh