a-be a-ha aaaa aaab aaae aaah aaar aaba aabb aabh aabt aaea aaha aaoe aaoo aara aare aaro aart aata aatt abaa abab abae abar abat abb- abba abbb abbe abbo abbr abbt abee aber abet abha abho abhr aboa abob aboh aboo abor abot abra abro abta aeer aer- aera aero aeta aeto aetr aett ahab ahah ahar ahat ahet ahha ahoa ahoe ahor ahot ahra ahre ahrr ahta ahte ahto aoah aoba aora aorb aort arab arae arah arar arat arba arbe arbh area aree areh areo aret 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 ateo ater atha athe atho atob atoe ator atot atra atre atro atta atte atto attr baaa baah baar baat baba babb babe babo babr baer baha baho bahr baht baoh bar- bara barb bare barh baro barr bart bata bate bath bato batt bbbb bbeb bbet beah bear beat beba bebb bebe bebo beeb beer beet behr beo- beor beot bera bere bero berr bert beta bete beth beto bett bhao bhar bhat bher bhet bhor bhot bhra bhrt boab boar boat boba bobb bobe bobo boea boee boeo boer boet boha boho bohr boht boob booe booh boor boot bor- bora bore borh boro borr bort bota botb bote both boto bott brab brae brah brao brat brea breb bree breo brer bret broa brob broe broh broo bror brot brrr btaa btob btor btrt bttb eaba eabh eara earb eare earh earo eart eata eate eath ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eera eero eeta eete eeth ehaa ehea eheh eher ehre ehte eora eore eota eoto erat erba erbb erbe ereb erer eret erob eroe eroo erra erre erro erta erth etah etat etbr etee eter eth- etha ethe etho etoe etoh etra etre etro etta ette etto haab haar haat haba habe habo habt haet haha haho haht haor hara hare harh haro harr hart hata hatb hate hath hato hatt hbar heah hear heat hebb hebe hebo hebr heeb heer heet hehe heho heor hera herb here hero herr hert heta hete heth heto hett hhaa hhat hhhh hoar hoat hoba hobe hobo hoer hoha hohe hoho hooe 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 oahe oara oare oate oath obba obbo obea ober obet oboe obor obot obra obre obrh obro oera oere oeta ohba ohbe ohee oher ohho ohob ohoh ohra ohre ohta ohte ohto ooaa ooba oobe ooer ooha ooho oooh oooo oora oore oort ootb orab orae orah orao orar orat orba orbb orbe orbo ore- orea oreb oreh oreo orer orhe oro- oroe oror orot orra orro orta orte orth orto otar otea otee oter otha othe otho othr oto- otoe otoh otoo otor otra otre otro otta otte otto raab raat raba rabb rabe rabo raer raha rahe rahr raht raob raoh rara rarb rare raro rata rate rath rato ratt rbbb rbbr rboh rea- reae reao rear reat reba rebb rebe rebo reeb reet reha rehb rehe reht reot rera rere rero rert reta rete reth reto retr rett rhae rhea rheb rhee rheo rhet rhoa rhob rhoh roab roar roat rob- roba robb robe robo robt roea roer roet roha rohe rohr roob roor root rora rore roro rort rota rote roth roto rotr rott rrah rrat rrrr rtee taa- taar taat taba tabb tabe tabo taer taha tahe taho tahr taoa taor tara tarb tare taro tarr tart tata tatb tate tath tato tatr tatt tbar tbrb tbta tear teat teba tebo teer teet teho tehr teoh teor ter- tera tere tero terr teta tete teth teto tetr tett thaa thae thao thar that the- thea theb thee theo ther thet thoe thoo thor thot thra thre thro thtb thtr toab toat toba tobe tobo tobt toea toee toeh toer toet toho tooa tooh toor toot tora tore toro torr tort tota tote toth toto totr tott traa trab trae trao trat tre- trea tree treo tret troa troe troo trot trra trte trtr ttab ttbb tteo tter ttoe tttt