floko flook floss flyff flylo fofos folks folky follo folly foofy fooks fools fossy foyll fyllo kloof kloos kloss klosy ko-ko koffs kokko kokos kolff kolks kolky kollo kolly kolol kolos kolsk kolys kooks kooky kools kosky kosso kyoko lofos lokys lollo lolls lolly lolol lolos lookf looks looky lools lossy lykky lykos lyso- lysol lysos lysyl lyyf- offof offoy oflos okfol okoly okoyo olsok ooooo osfok oskol ososo ossos osyll oyoko s-k-o skoff skoko skoll skols skool skyfs skyll skyos skyss sloff sloos sloss slyly so-lo so-so sofky sokol sokos solly solok solos sooks sooky sooly soosy soss- sosyo sssss sylls sysfs yo-yo yokoo yolks yolky yooff yoofs yooks yosoy yoyos