kloot klout ko-ko kokko kokor kokot kokou kokur kokut kollo kollu kolol kolot kolur kolut koolu kooru korku korol koror korro kortu koruk kotor kotto kottu kotur koulo kouto kroll kroot krout krtok krull kruto kukko kukok kukur kullo kullu kulor kulto kulul kulur kurku kurlu kuruk kutlu kuttu kutur lokot lokur lollo lolol lookt loruk lorut lotor lotru lotto louro lukko lukok lukou lukut lulul lutol lutto okkur okoro okrut okuku okuru ollur olotu olour ooooo orkut orlok orolu orout ortok ortoo oruku oruro orutu otoku otolo ototo otour otrok ottur otulu oullo ouoro ourol outro outto ro-ro rokkk rokot rokto rollo rolok rotko roto- rotol rotor rotot rotto rouko roulk roull routt rt-rk rullo rutul ruutu tokko toko- tokol tokor tokuo tokur tolko tollo toloo tolor tolu- toluk toolt torok torro torto tortu torul toto- totok totoo toull touro troll trott troul trout trull truro ttttt tukul tukur tulku tulor tulou tuotu turko turku turok turot turro turtu turul turut tutku tutor tutto tuuru ullur ululu uluru urkut urour urtlu urutu utro- utror uttur uturu ututo uuork uuuuu