a-be a-ha aaaa aaab aaae aaaf aaah aaar aaba aabb aabh aabt aaea aafa aafb aaff aaha aaoe aaoo aara aare aaro aart aata aatf aatt abaa abab abae abaf abar abat abb- abba abbb abbe abbo abbr abbt abee aber abet abff abha abho abhr aboa abob abof aboh aboo abor abot abra abro abta aeaf aeer aer- aera aero aeta aetf aeto aetr aett afaa afao afar afat afee afer afet affa affo afft afoa afoe afoo afor afr- afra afre afro afta afte ahab ahah ahar ahat ahet ahfa ahha ahoa ahoe ahor ahot ahra ahre ahrr ahta ahte ahto aoah aoba aora aorb aort aotf arab arae araf arah arar arat arba arbe arbh area aree aref areh areo aret arfa arfb arff arft arh- aroa arob aroe aroo aror arr- arra arre arrh arro arrr arrt arta arte arth arto artr at-t ataa atab atae atar atat atea atee atef ateo ater atfb atfe atha athe atho atob atoe atof ator atot atra atre atro atta atte atto attr baaa baaf baah baar baat baba babb babe babo babr baer baff bafo baft baha baho bahr baht baoh bar- bara barb bare barf barh baro barr bart bata bate batf bath bato batt bbbb bbeb bbet beaf beah bear beat beba bebb bebe bebo beeb beef beer beet befa befe beff befo beft behr beo- beof beor beot bera bere bero berr bert beta bete beth beto bett bfta bftt bhao bhar bhat bher bhet bhff bhor bhot bhra bhrt boab boar boat boba bobb bobe bobo boea boee boef boeo boer boet bofa bofe boff bofh boha boho bohr boht boob booe boof booh boor boot bor- bora bore borf borh boro borr bort bota botb bote both boto bott brab brae braf brah brao brat brea breb bree bref breo brer bret broa brob broe broh broo bror brot brrr btaa btaf btob btor btrt bttb eaaf eaba eabh eafb eara earb eare earh earo eart eata eate eath ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eefa eefe eera eero eeta eete eeth efab efbr efeo efet effa efor eft- efta ehaa ehea eheh eher ehre ehte eora eore eota eoto eraf erat erba erbb erbe ereb erer eret erft erob eroe eroo erra erre erro erta erth etah etat etbr etee eter etfa etfb etfe eth- etha ethe etho etoe etoh etra etre etro etta ette etto faaa faah faba fabe fabo faeb fafa fafe faff fafo faha fahr fara farb fare faro farr fart fata fate fatf fath fato fatt fbar feaf fear feat feba febo feeb feer feet fefe feff fefo fehr feof feoh fera ferb fere fero ferr fert feta fete feth fetr fett ffar ffee ffff ffrr fftf foaf foar foba fobt foer fofo fohr foof foot for- fora forb fore foro forr fort fota fote foth foto fott frab frae frat frea free freo fret frob froe froh frot frta ftea fter haab haaf haar haat haba habe habo habt haet hafb hafe haff haft haha haho haht haor hara hare harf harh haro harr hart hata hatb hate hath hato hatt hbar heaf heah hear heat hebb hebe hebo hebr heeb heef heer heet hefe heft hehe heho heor hera herb here hero herr hert heta hete heth heto hett hfba hhaa hhat hhhh hhof hoar hoat hoba hobe hobo hoer hofe hoff hoha hohe hoho hooe hoof hoor hoot hora hore horo horr hort hota hotb hote hoth hoto hotr hott hree hrob hrta hrtb hrte htab htea htet htoh htra httr o-eo oaer oafo oahe oara oare oate oath obba obbo obea ober obet oboe obor obot obra obre obrh obro oera oere oeta ofah ofer off- offa offe offh offo offr ofor ofra ofre ofta ohba ohbe ohee oher ohho ohob ohoh ohra ohre ohta ohte ohto ooaa ooba oobe ooer ooff ooha ooho oooh oooo oora oore oort ootb orab orae orah orao orar orat orba orbb orbe orbo ore- orea oreb oreh oreo orer orfe orff orhe oro- oroe orof oror orot orra orro orta orte orth orto otar otea otee oter otha othe otho othr oto- otoe otof otoh otoo otor otra otre otro otta otte otto raab raaf raat raba rabb rabe rabo raef raer rafa rafe raff raft raha rahe rahr raht raob raoh rara rarb rare rarf raro rata rate ratf rath rato ratt rbaf rbbb rbbr rboh rea- reae reaf reao rear reat reba rebb rebe rebo reeb reef reet refe reff refr reft reha rehb rehe reht reof reot rera rere rero rert reta rete reth reto retr rett rfae rfef rhae rhea rheb rhee rheo rhet rhoa rhob rhoh roab roaf roar roat rob- roba robb robe robo robt roea roer roet rofe roff rofo roha rohe rohr roob roof roor root rora rore roro rort rota rote roth roto rotr rott rrah rrat rrrr rtbf rtee rtfb taa- taaf taar taat taba tabb tabe tabo taer tafa tafe taff tafo taft taha tahe taho tahr taoa taor tara tarb tare tarf taro tarr tart tata tatb tate tath tato tatr tatt tbaf tbar tbrb tbta tear teat teba tebo teef teer teet teff teft teho tehr teoh teor ter- tera tere terf tero terr teta tete teth teto tetr tett tfae tfeb tfot thaa thae thao thar that the- thea theb thee thef theo ther thet thoe thof thoo thor thot thra thre thro thtb thtr toab toat toba tobe tobo tobt toea toee toeh toer toet tofa toff tofo toft toho tooa toof tooh toor toot tora tore torf toro torr tort tota tote toth toto totr tott traa trab trae traf trao trat tre- trea tree tref treo tret trfr troa troe troo trot trra trte trtr ttab ttbb tteo tter ttfa ttff ttoe tttt