-ene -one bbbb bbeb bbet bbfn bblb bebb bebe bebo beeb beef beel been beer beet befe beff befo beft bele bell belo belt bene benn beno bent beo- beof beon beor beot bere bern bero berr bert bete beto bett bffl bftt blbt bleb blee bleo blet blno blob blon bloo blot bner bnet bnor bnrr bobb bobe bobo boee boef boel boen boeo boer boet bofe boff bole boll boln bolo bolt bone bonn bono bont boob booe boof bool boon boor boot bor- bore borf born boro borr bort botb bote botn boto bott breb bree bref brel bren breo brer bret brno brob broe brol bron broo bror brot brrr bten btob btor btrt bttb ebbo ebbr ebel eben eber ebno eboe ebol ebon eboo ebor ebro eeee eefe eefl eefn eele eent eero eete efbr efen efeo efet efon efor eft- el-b elbe elbo elee elef elen eleo eler elet elfe elft elle ello elne elon elro elte elto enb- enbn enbr enee enel eneo ener enfb enne eno- enoe enol enon ent- ente ento entr eole eolo eone eont eore eorl eoto erbb erbe ereb erel eren erer eret erft erle erll erne erno erob eroe erol eron eroo erre erro ertl etbr etee etel eten eter etfb etfe etne etnr etoe eton etre etro ette ettn etto fble febo feeb feel feen feer feet fefe feff fefo fele felf fell felo felt fene fenn fent feof feon ferb fere fern fero ferr fert fete fetr fett ffee ffff ffrr fftf flee flen fler flet flnb flob floe flon floo flor flot fnet fntb fobt foer fofo fole foll folo folr folt fone fono font foof fool foon foot for- forb fore forl forn foro forr fort fote foto fott free fren freo fret frob froe frol fron frot ft-l ften fter ftlb lblr lbrt lebo leef leel leen leer leet lefe leff left lele lell lelo lene lenn leno lent leof leon leor lere lern lero lert lete leto lett llef llet llll lloo lner lob- lobb lobe lobo loeb loen lofe loff lofn loft lole loll lolo lone lono lonr lont loob looe loof lool loon loor loot lore lorn loro lote lotl loto lotr lott lrne lron lrrr ltbf ltbl ltee ltnt lttr nbbo nber nbfl nebb nebe nebn nebo nebr neeb neef neel neen neer neet nefe neff nefl nele nelf nell nelo nelt nene neno nent neo- neol neon neoo neot nere nerf nerl nero nerr nert net- netb nete neto nett nfer nfff nfon nfto nler nlrb nnnn nnot nntn nobo noel noer nole nolf noll nolo nolt non- none nonn nono nont noo- noob nool noon nooo noor noot nor- norb nore norf norn noro norr nort not- note noto nott nren nrlb nron nrrl nrtl nter ntfl ntof ntrl ntto nttr o-eo obbo obel oben ober obet oble oboe obol obon obor obot obre obro oele oen- oeno oere ofen ofer off- offe offo offr ofno ofor ofre olbo ole- olef olen oleo oler olet olfe olle ollo olne olof olon olor olot one- oneb onee onel oneo oner onlf onne onno onon onor ont- onto oobe ooer ooff oolo oone oont oooo oore oort ootb orbb orbe orbo ore- oreb orel oren oreo orer orfe orff orle orlo orne orno oro- oroe orof oron oror orot orro orte orto otee oten oter oto- otoe otof oton otoo otor otre otro otte otto rbbb rbbr rble rebb rebe rebo reeb reef reel reen reet refe reff refl refn refr reft relb rele rell relo relt rene renn reno rent reof reol reot rere rero rert rete reto retr rett rfef rffl rlee rlef rnbr rnnt rnot rob- robb robe robo robt roel roen roer roet rofe roff rofl rofo role rolf roll rolo rolt rone rono ront roob roof rool roon roor root rore roro rort rote rotl rotn roto rotr rott rrle rrrr rtbf rtee rtfb rtle rtlt tbnf tbrb tebo teef teel teen teer teet teff tefl teft tel- tele tell teln telo telt tenb tene tenn teno tent teon teor ter- tere terf tern tero terr tete teto tetr tett tfeb tfot tlen tlon tneb tnef tnfl tobe tobo tobt toee toen toer toet toff tofo toft tol- tole toll tolo tolt tonb tone tonn tono toof tool toon toor toot tore torf torn toro torr tort tote toto totr tott tre- tree tref tren treo tret trfr trno troe tron troo trot trte trtr ttbb tten tteo tter ttff ttfn ttoe tton tttt