-hou ffff ffrr ffun flon floo flor flou fluf fluo flur fnuf fofo fohn fohr foll folo folr fono foof fool foon for- forl forn foro forr foul foun four froh frol fron frou frun fuff fufu full fulu funf funh fuor fur- furl furn furo furr hhhh hhof hlul hoff hofu hohl hohn hoho hol- holh holl holn holo holu hono honu hoof hool hoon hoor horl horn horo horr houf hour hron hrun huff hufu huhn huhu hull hulu hunh huon huor hurl hurn huro hurr huru lhhh lhor lhun llll lloo loff lofn lohn loho lohr lohu loll lolo lono lonr loof lool loon loor lorn loro louh loul loun lour louu lron lrrr luff lufu luhu lull lulu lunn luno luoh nfff nfon nhhl nhnn nhon nnnn nohn noho nolf noll nolo non- nonn nono nonu noo- nool noon nooo noor nor- norf norn noro norr nouh noul noun nour nron nrrl nuff null nunn nuno nuon nurl nurn nurr nuru off- offh offo offr offu ofno ofor ohho ohno ohoh ohrn ollo olof olon olor olur onlf onno onon onor onur ooff ooho oolo oooh oooo orff orfu orlo orlu orno oro- orof oron oror orro ouff oulu oun- our- ourn ouro ouu- rffl rhoh rhon rhun rnhl roff rofl rofo rohl rohn rohr rohu rolf roll rolo rono roof rool roon roor roro roru rouf rouh roul roun rrrr rrun ruff rufo ruhh ruhl ruhn ruhr rull rulo runf runn runo ruro ruru ruun uhno uhoh uhuh ullo ullr ulno ulo- ulul unlf unno unon unrf unro uofl uofo uor- urff urho uro- urol uroo urrh urun urur uulu uuno uuuu