-hou ffff ffrr fftf ffun fnuf fofo fohn fohr fono font foof foon foot for- forn foro forr fort foth foto fott foun four fout froh fron frot frou frun fuff fufu funf funh funt fuor fur- furn furo furr furt futo futu hhhh hhof hntr hoff hofu hohn hoho hono hont honu hoof hoon hoor hoot horn horo horr hort hoth hoto hotr hott hotu houf hour hout hron hrun htoh httr huff hufu huhn huhu hunh hunt huon huor huot hurn huro hurr hurt huru huth huto hutt hutu nfff nfon nfto nhnn nhon nnnn nnot nntn nohn noho noht non- nonn nono nont nonu noo- noon nooo noor noot nor- norf norn noro norr nort not- noth noto nott nouh noun nour nout nron nthn ntht ntnu ntof ntru ntto nttr nuff nunn nuno nunt nuon nurn nurr nurt nuru nuth nutt nutu off- offh offo offr offu ofno ofor ohho ohno ohoh ohrn ohto ohtu onno onon onor ont- onto onur onut ooff ooho oont oooh oooo oort orff orfu orno oro- orof oron oror orot orro orth orto otho othr oto- otof otoh oton otoo otor otro otto ottu otur ouff oun- our- ourn ouro ourt out- outh outo ouu- rhoh rhon rhun rnnt rnot rnut roff rofo rohn rohr rohu rono ront roof roon roor root roro rort roru roth rotn roto rotr rott rouf rouh roun rout rrrr rrun ruff rufo ruft ruhh ruhn ruhr runf runn runo runt ruro ruru ruth ruto rutt rutu ruun tfot thnt thof thon thoo thor thot thou thro thru thtr thun thur tnut toff tofo toft tofu toho tohu tonh tonn tono tonu toof tooh toon toor toot torf torn toro torr tort toru toth toto totr tott touh toun tour tout trfr trno tron troo trot trou trtr trun trut truu ttff ttfn tton tttt tuff tufo tuft tufu tuht tuhu tunn tuno tunu tuor turf turn turo turr turt turu tuto tutt tutu tuuo uhno uhoh uhuh unno unon unrf unro unth unto unut uofo uor- urff urft urho uro- uroo urrh urth urun urur urut utfo utor utto uttu uuno uutf uuuu