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bbbb bbeb bbet bbpr bebb bebe bebo beeb beep beer beet behr beo- beor beot bepo bere bero berr bert bete beth beto bett bher bhet bhor bhot bhrt bobb bobe bobo boee boeo boep boer boet boho bohr boht boob booe booh boop boor boot bope bopp bor- bore borh boro borr bort botb bote both boto bott bpoe bpot breb bree breo brep brer bret brob broe broh broo bror brot brrr btbp btob btor btrt bttb ebbo ebbr eber eboe eboo ebor ebpo ebro eeee eero eete eeth eheh eher ehpt ehre ehte eore eoto epee eper eph- epor epot eppo eppp eprb epro eprp epte erbb erbe ereb erer eret erob eroe eroo erpe erre erro erth etbr etee eter eth- ethe etho etoe etoh etre etro ette etto hebb hebe hebo hebr heeb heep heer heet hehe heho heor hepe hepp hept herb here hero herp herr hert hete heth heto hett hhhh hhtp hobe hobo hoer hohe hoho hooe hoop hoor hoot hope hopo hopp hopt hore horo horr hort hotb hote hoth hoto hotp hotr hott hpot hppe hprt hpto hree hrob hrpp hrtb hrte htet htoh htop htpp http httr o-eo obbo ober obet oboe obor obot obre obrh obro oere ohbe ohee oher ohho ohob ohoh ohre ohte ohto oobe ooer ooho oooh oooo oore oort ootb ootp opep oper opet opo- opor oppo opto orbb orbe orbo ore- oreb oreh oreo orer orhe oro- oroe oror orot orpe orph orro orte orth orto otee otep oter othe otho othr oto- otoe otoh otoo otor otpp otre otro otte otto peep peer peet pehe peho pehr peor pepe pepo per- pere perh pero perp perr pert pete peth peto petr pett phe- phet phht phob phoh phoo phot phrr pobo poer poet pooh poop poor poot pop- pope popo popp popt porb pore poro porr port pote poth poto pott pper pppo pppp pptt pre- preb pree prep pret pro- prob proe proo prop prot prtp prtr pter ptop rbbb rbbr rboh rebb rebe rebo reeb reep reet rehb rehe reht reop reot repe repo repp repr rept rere rero rert rete reth reto retr rett rheb rhee rheo rhet rhob rhoh rob- robb robe robo robt roer roet rohe rohr roob roop roor root rope ropo rore roro rort rote roth roto rotr rott rpet rpho rpob rpoe rrrr rtee rttp tbrb tbtp tebo teer teet teho tehr teoh teor tepe tepp ter- tere tero terp terr tete teth teto tetr tett the- theb thee theo thep ther thet thhp thoe thoo thor thot thpp thre thro thtb thtr tobe tobo tobt toee toeh toer toet toho tooh toor toot top- tope toph topo topp topt tore toro torp torr tort tote toth toto totr tott tper tppp tppr tpte tptp tptr tre- tree treo tret troe troo trop trot trpe trpp trte trtr ttbb tteo tter ttoe ttop tttt

-tree bbbee be-er be-ro beber bebop bebot beebe beete beeth beher behet behot beote beoth bepop beppe beppo berbe bereh beret berhe berob beroe beror berre berte berth berto betee beter bethe betoo betor betre bett- bette betto bheer bhoot bhope bhore bo-bo bo-ho bobet bobr bobre boero bohor bohot bohte booer boore boort booth bopet borbo boree borer boret boro- boroo borot borre borro borth botet bothe botro botte breer breet breo- brere breth breto brett brobo broer broth broto brrrr btr-t e-pro ebber ebbet ebert eeeee eepee ehret eorre epher ephor epopt epote epptb erbbe erber erept erere eroor erore eroto error erte erter erthe etete ether etho- etoro etree etter h-e-b he-he he-ro hebbe hebe- heber heepe heere heete hehte heore heper hepet hepro hept- hepto heroe herpt herre herro herte herth herto heter hethe hetop hette hetto hheth hhhhh ho-ho ho-oh hobet hoboe hobor hobro hohoe hohot hooer hoope hoore hoort