feeb feem feen feer feet fefe feff fefo femb feme femm fene fenn fent feof feon ferb fere ferm fern fero ferr fert feru fete fetr fett fetu ffee ffff ffrr fftf ffun fmno fnet fntb fnuf fobt foer fofo fome fomo fomt fone fono font foof foom foon foot for- forb fore form forn foro forr fort fote fotm foto fott foun four fout free frem fren freo fret frmn frob froe from fron frot frou frub frue frum frun ften fter ftub fubb fubu fuet fuff fufu fume fumo fune funf funt fuor fur- fure furm furn furo furr furt fute futo futu mbou mebe mebo meef meem meen meer meet mefe meff mefo meme memo memr memu men- mene menn meno ment menu meon meor meou mer- merb mere merf merm mern mero mert meru met- mete meto mett metu meum mfbm mfor mfou mftf mmen mmff mmmm mmor mmrf mmun mnbb mnem mnet mntb mntn mobb mobe mobo moef moen moet mofe moff mofo mofu mome momo momu mon- mone monn mono mont monu moob mooe moon moor moot morb more morf morn moro mort moru motb mote motm moto mott motu moue mouf moun mour mout mrbb mrbm mreb mree mren mron mrtm mrtn mrtt mtbo mtff mtnt mtoe mtom mtor mtre mtrr mttr mube mubo muee muet muff mufu mume mumm mumo mumu mune munn muno munt munu muon mure murn muro murr murt muru mute muto mutt mutu muut nbbo nber nbuf nebb nebe nebn nebo nebr nebu neeb neef neem neen neer neet nefe neff nefm nem- neme nemn nemo nemu nene neno nent nenu neo- neon neoo neot nere nerf nerm nero nerr nert neru net- netb nete neto nett neue neuf neum neun neuo neur neut neuu nfer nfff nfon nfto nm-e nmff nmnt nmon nmtb nnmt nnnn nnot nntn nobm nobo nobu noem noer nom- nome nomo nomu non- none nonn nono nont nonu noo- noob noon nooo noor noot nor- norb nore norf norm norn noro norr nort not- note noto nott noun nour nout nrem nren nron nter nteu ntnu ntof ntru nttm ntto nttr nube nuee nuer nuff numb nume numm numt numu nune nunn nuno nunt nuon nure nurn nurr nurt nuru nute nutt nutu o-eo obbo oben ober obet oboe obon obor obot obre obro oeme oen- oeno oere oerm oeuf ofem ofen ofer off- offe offo offr offu ofme ofno ofor ofre ombe ombo ombu omee omen omeo omer omet omn- omne omo- omoe omon omoo omor omre omro omuo one- oneb onee oneo oner onme onne onno onon onor ont- onto onue onur onut oobe ooer ooff oome oone oont oooo oore oort ootb orbb orbe orbo orbu ore- oreb orem oren oreo orer orfe orff orfu orme ormn ormo orne orno oro- oroe orof orom oron oror orot orro orte orto orub orum otee otem oten oter oto- otoe otof oton otoo otor otre otro otte otto ottu otur ouen ouer oufe ouff oume oun- oune our- oure ourn ouro ourt out- outb oute outo ouu- rbbb rbbr rebb rebe rebo rebu reeb reef reem reen reet refe reff refn refr reft refu reme remn remo rene renn reno rent renu reof reot reou rere rero rert reru rete reto retr rett reue reuf reut reuu rfef rfem rmon rmtu rnbr rnnt rnot rnut rob- robb robe robo robt robu roen roer roet rofe roff rofo romb rome romm romo rone rono ront roob roof room roon roor root rore roro rort roru rote rotn roto rotr rott roub roue rouf roum roun rout rrrr rrum rrun rtbf rtee rtfb rtfm rubb rube rubu ruen ruer ruet rufe ruff rufo ruft rumb rume rumm rumo rumt rune runf runn runo runt rure ruro ruru rute ruto rutt rutu ruun t-mo tbnf tbrb tebo tebu teef teem teen teer teet teff teft teme temo temu tenb tene tenn teno tent tenu teom teon teor ter- tere terf term tern tero terr teru tete teto tetr tett tetu teut tfeb tfot tmbr tmen tmnt tmou tmro tmtt tneb tnef tnut tobe tobo tobt tobu toee toen toer toet toff tofo toft tofu tomb tome tomm tomo tomt tonb tone tonn tono tonu toof toom toon toor toot tore torf torm torn toro torr tort toru tote totm toto totr tott toum toun tour tout tre- tree tref trem tren treo tret treu trfm trfr trmb trmu trno troe trom tron troo trot trou trte trtr trub true trun trut truu ttbb tten tteo tter ttff ttfn ttoe tton tttt tubb tube tubo tubr tubu tuen tuer tuet tufe tuff tufm tufo tuft tufu tumb tume tumu tunb tune tunn tuno tunu tuor turb ture turf turm turn turo turr turt turu tute tuto tutt tutu tuum tuuo ubbe ubbo uber ubet ubon ubtf ueno ufer uffe umb- umbe umbo umer umet umff ummo umno umoe umor umut unbe uneb unee unef unen uner unmr unne unno unon unrf unro untb unte unto unum unut uofm uofo uomo uone uor- uore urbe ure- uret urfe urff urft urne uro- urom uroo urre urte urum urun urur urut uter utfo utmb utne utor utto uttu uuen uuno uutf uuuu

-form -tree bbbee be-er be-ro beber bebot beebe beeft beene beete beeut beffe befoe befor befur bembe bembo bemer bemet bene- benet benfe benne benno bennu benon benot bento benue benun benur benut beofe beoff beone beorn beote beour berbe beren beret berme bermo berne berno bernt berob beroe berom beror berre berru berte berto berum berun betee beten beter betne beton betoo betor betou betre bett- bette betto beuer beuno beure beute bo-bo bobet bobr bobre boeme boero boeuf boeun boeur bofet boffo bombe bombo bomer bomet bomme boner bonet bonne bonon bonou bonte bonum bonut booer boomb boomf boone boont boore boorn boort booru borbo boree boren borer boret bormo born- borne borno bornt bornu boro- borom boron boroo borot borou borre borro borum