bbbb bbdd bbdo bbeb bbet bbpr bd-r bebb bebe bebo bede bedo beeb beed beep beer beet beo- beod beor beot bepo berd bere bero berr bert bete beto bett bobb bobe bobo bodb bode bodo boee boeo boep boer boet boob bood booe boop boor boot bope bopp bor- bord bore boro borr bort botb botd bote boto bott bpoe bpot bprd brdo brdt breb bred bree breo brep brer bret brob brod broe broo bror brot brrr btbp btdt btob btor btrt bttb d-bo dbpd dbtt dddd ddot ddpo ddre debe debt dedd dede dedo deeb deed deep deer deet deop deor depe depo depp depr dept der- derb dere dero derp derr dete deto detr dobb dobe dod- dodd dode dodo doer doob dood doop door doot dope dopo dopp dopr dopt dord dore doro dorp dorr dort dotd dote doto dott dpdt dper dred dree dret drob drod drop drot dtdp dted dtor dtot dttp ebbo ebbr ebed eber eboe eboo ebor ebpo ebro edde eddo eddp ede- eder edod eede eeee eero eete eode eore eotd eoto epee eper epod epor epot eppo eppp eprb epro eprp epte erbb erbe erde ereb ered erer eret erob erod eroe eroo erpe erre erro etbr etee eter etoe etre etro ette etto o-eo obbo obdt obed ober obet oboe obor obot obre obro obtd odbo oddd oded odeo oder odet odoo odop odor odot odrp oedo oere oobe ooer oooo oord oore oort ootb ootp oped opep oper opet opo- opor oppo opto orbb orbe orbo orde ordo ore- oreb ored oreo orer oro- oroe oror orot orpe orro orte orto otbd oted otee otep oter oto- otoe otoo otor otpp otre otro otte otto pbed pdpr ped- pede pedo peed peep peer peet peor pepd pepe pepo per- perd pere pero perp perr pert pete peto petr pett pobo pod- podd pode podo poed poer poet pood poop poor poot pop- pope popo popp popt porb pore poro porr port potd pote poto pott pper ppod pppd pppo pppp pptt pre- preb pred pree prep pret pro- prob prod proe proo prop prot prpd prrd prtp prtr pter ptop ptpd ptrd rbbb rbbr rdbp rder rebb rebe rebo redd rede redo redr reeb reed reep reet reod reop reot repe repo repp repr rept rerd rere rero rert retd rete reto retr rett rob- robb robe robo robt rodd rode rodo roed roer roet roob rood roop roor root rope ropo rore roro rort rote roto rotr rott rpdp rpet rpob rpoe rptd rred rrrr rtdt rtee rttp tbrb tbtp tddb tdor tebo tedd tede teed teer teet teor tepe tepp ter- tere tero terp terr tete teto tetr tett tobe tobo tobt todd tode todo todt toed toee toer toet tood toor toot top- topd tope topo topp topt tord tore toro torp torr tort totd tote toto totr tott tped tper tppd tppp tppr tpte tptp tptr tre- tred tree treo tret trod troe troo trop trot trpe trpp trte trtr ttbb tteo tter ttoe ttop tttt