-ene -one bbbb bbdd bbdo bbeb bbet bd-r bebb bebe bebo bede bedo beeb beed been beer beet bend bene benn beno bent beo- beod beon beor beot berd bere bern bero berr bert bete beto bett bner bnet bnor bnrr bobb bobe bobo bodb bode bodo boee boen boeo boer boet bond bone bonn bono bont boob bood booe boon boor boot bor- bord bore born boro borr bort botb botd bote botn boto bott brdo brdt breb bred bree bren breo brer bret brno brob brod broe bron broo bror brot brrr btdt bten btob btor btrt bttb d-bo dbrn dbtt dddd ddot ddre debe debt dedd dede dedo deeb deed deen deer deet dene denn deno dent deon deor der- derb dere dern dero derr dete detn deto detr dner dnet dntt dobb dobe dod- dodd dode dodo doen doer dond done donn dono donr dont doob dood doon door doot dord dore dorn doro dorr dort dotd dote doto dott dred dree dren dret drno drob drod dron drot dted dten dtnb dtor dtot ebbo ebbr ebed eben eber ebno eboe ebon eboo ebor ebro edde eddo ede- eden eder edno edod edon edrn eede eeee eend eent eero eete enb- enbn enbr end- ende endo ened enee eneo ener enne eno- enoe enon ent- entd ente ento entr eode eone eont eore eotd eoto erbb erbe erde ereb ered eren erer eret erne erno erob erod eroe eron eroo erre erro etbr etee eten eter etne etnr etoe eton etre etro ette ettn etto nbbo nber nddb ndde nddo nder ndnt ndor ndre nebb nebe nebn nebo nebr nedd nede nedo neeb need neen neer neet nend nene neno nent neo- neod neon neoo neot nerd nere nero nerr nert net- netb netd nete neto nett nndb nnnn nnot nntn nobo node nodo noed noer non- none nonn nono nont noo- noob noon nooo noor noot nor- norb nord nore norn noro norr nort not- note noto nott nren nron nrrd nter ntnd ntto nttr o-eo obbo obdt obed oben ober obet oboe obon obor obot obre obro obtd odbo oddd oded oden odeo oder odet odnb odon odoo odor odot oedn oedo oen- oeno oere onde ondo one- oneb oned onee oneo oner onne onno onod onon onor ont- onto oobe ooer oone oont oooo oord oore oort ootb orbb orbe orbo orde ordn ordo ore- oreb ored oren oreo orer orne orno oro- oroe oron oror orot orro orte orto otbd oted otee oten oter oto- otoe oton otoo otor otre otro otte otto rbbb rbbr rder rebb rebe rebo redd rede redo redr reeb reed reen reet rend rene renn reno rent reod reot rerd rere rero rert retd rete reto retr rett rnbr rnnt rnod rnot rntd rob- robb robe robo robt rodd rode rodo roed roen roer roet rond rone rono ront roob rood roon roor root rore roro rort rote rotn roto rotr rott rred rrrr rtdt rtee rtnd tbrb tddb tdor tebo tedd tede teed teen teer teet tenb tend tene tenn teno tent teon teor ter- tere tern tero terr tete teto tetr tett tndd tneb tobe tobo tobt todd tode todo todt toed toee toen toer toet tonb tone tonn tono tood toon toor toot tord tore torn toro torr tort totd tote toto totr tott tre- tred tree tren treo tret trno trod troe tron troo trot trte trtr ttbb tten tteo tter ttoe tton tttt