ffff ffrr ffun flon floo flor flou floy fluf fluo flur fluy fnuf fofo foll folo folr foly fono fony foof fool foon for- forl forn foro forr foul foun four foyl foyn frol fron frou frun fuff fufu full fulu funf fuor fur- furl furn furo furr fury fuyl fuyu fynn fyry llll lloo llyn llyr loff lofn loll lolo loly lono lonr loof lool loon loor lorn loro lory loul loun lour louu loyn lron lrrr lrry luff lufu lull lulu lunn luno luny lury lyff lyfy lyly lynn lyo- lyon lyro lyun lyyf lyyn nfff nfon nnnn nolf noll nolo non- nonn nono nonu noo- nool noon nooo noor nor- norf norn noro norr nory noul noun nour noyl noyo nron nrrl nuff null nunn nuno nuny nuon nurl nurn nurr nuru nyll nyny nyon nyrf nyro nyul off- offo offr offu offy ofno ofor ollo olly olof olon olor olry olur olyf onlf only onno onon onor onoy onur ooff oofy oolo oooo oory orff orfu orlo orlu orly orno orny oro- orof oron oror oroy orro orry ouff oulu oun- our- ourn ouro ouu- ouyr oyly oyon oyou oyun rffl roff rofl rofo rolf roll rolo roly rono rony roof rool roon roor roro roru rory rouf roul roun rouy royl royn rrrr rrun ruff rufo rull rulo ruly runf runn runo runy ruoy ruro ruru ruun ruyl ryff rynn ryon ryun ryyf ullo ullr ully ulno ulo- ulul unlf unno unon unrf unro uofl uofo uor- urff uro- urol uroo urry urun urur uryn uulu uuno uuuu uuyn ynol ynon ynou yoff yoll yolo yoly yono yoof yool yoon yorn yoro yory youf youl your yoyn yoyo yrly yrof yron yrun yryn yuff yufu yulo yulu yuny yuon yurn yury yuyu yyff yyyy