-ol fff ffk ffl ffo ffr ffu fkf fkk fkl flf fll flo flr flu fof fok fol foo for fou frf frk frl fro frr fru fuf fuk ful fuo fur fuu kff kfo kfu kkk kkl kkr kku kl- klf klo klr klu kof kok kol koo kor kou krf krk krl kro krr kru kuk kul kur kuu lff lfk lfl lfo lfr lfu lkl lkr llf llk lll llo llr llu lof lok lol loo lor lou lrf lrk lro lrr lru luf luk lul luo lur luu of- off ofl ofo ofr ofu okk okl oko okr oku olf olk oll olo olu oo- oof ook ool ooo oor or- orf ork orl oro orr oru ou- ouf ouk oul ouo our rff rfk rfl rfo rfr rfu rkf rkk rko rku rlf rll rlo rlr rlu rof rok rol roo ror rou rrf rrk rrl rrr rru ruf ruk ruo rur ruu uff ufl ufo ufr ufu ukf ukk ukl ukr uku ulf ulk ull ulo ulr ulu uok uol uoo uor ur- urf urk url uro urr uru uur uuu

f--k ffff ffrr flok floo flor flou fluf fluo flur fofo folk foll folo folr foof fook fool for- fork forl foro forr foul four frol frou fuff fufu fukk fuko fuku fulk full fulu fuor fur- furl furo furr k-lo kfff kffk kflf kfll kflo kfok kfoo kfor kfro kfrr kfru kful kfuo kkfr kkkk kklf kkll kklo kkol kkoo kkor kkrf kkrk kkrl kkro kkrr kkuu klff klkk klkl klko klkr kllk klok klol kloo klor klou klrf klrk klrr klru kluf kluk klur kluu koff kofk kofo kofu kokf kokk koko kokr koku kolf kolk koll kolo kolr kolu kook kool kooo koor koou korf kork korl koro korr koru koul kour kouu krff krfo krkk krko krkr krku krlf krof krok krol kroo kror krrf krrk krrl krro krrr kruf kruk krul krur kuff kufo kufr kukk kukl kuku kulf kull kulo kulu kuok kuol kuoo kurk kurl kuro kurr kuru kuuk kuul kuur kuuu llll lloo loff lokk loko loll lolo loof look lool loor lork loro louk loul lour louu lrrr luff lufu luko lull lulu lurk luuk off- offo offr offu ofor okko oklo okok okol okor okro okul okur ollo olof olor olur ooff ooku oolo oooo orff orfu orko orlo orlu oro- orof orok oror orro ouff oulk oulu our- ouro ouu- rffl rkkf roff rofl rofo rokk roko rokr roku rolf rolk roll rolo roof rook rool roor rork roro roru rouf rouk roul rrrr ruff rufo rukk ruku rulk rull rulo ruok ruro ruru ufuk ukko ukok ukur ullo ullr ulo- uluk ulul uofl uofo uor- urff uro- urok urol uroo uruk urur uulu uuuu

floko flook floor floro floru flour fluff fluo- fluor flurr follo forro forur fouro fruko fu-fu fullf fullo furo- furor kloof ko-ko kokko kokor kokou kokur kolff kollo kollu kolol kolur koolu kooru korff korku korol koror korro koruk koufu koulo kroll krull kukko kukok kukur kullo kullu kulor kulul kulur kurku kurlu kuruk lofou lokur lollo lolol lookf loruk louro lukko lukok lukou lulul offof ofour okfol okkur okoro okuku okuru ollur olour ooooo orfor orful orlok orolu oruku oruro oullo ouoro ourol ro-ro rofor rokkk rolfo rollo rolok rouko roulk roull ruffo rufo- rufol rullo ufofu ullur ululu uluru urour uuork uuuuu

fluor- fluoro foofoo foofur foufou fourof fourou frollo fukuro fullof furfur furour furrfu kofuku kokofu kokoku kokolo kokoro kokufu kolluk kololo kookoo korkor kororo koruru kouffo koukou koulfo koulou kouoro kourou kullur kulolo kuloor kululu kuo-fu kurkul kuroko kururu lloro lokrur loloru looloo loukou loulou lourlo lufful lukulu lurulu okollo oluklu ookroo oooooo orloff oroluk orrour roflol rokkor rokuko rokuro roloff rouful ruurlo ulloor urkulu

fluoro- foo-foo forloff fou-fou furrour kokorou kolluru kolokol kor-kor korkoro kuffour kulullu kur-kol lookfor lookoff looroll lukfook off-off orokolo rollkur rolloff

froufrou furfurol kolokolo kukukuku kukuruku kurukuru oolooloo rokkurro roll-off roulroul

fllllllll four-four frou-frou korukollu koukoulou koukourou

kouroukoro kukkurukuu