kkkk kknn kkno kknt kkon kkoo kkot kktk knkk knkt knnk knok knon knot kntk kntn knto kokk kokn koko konk kono kont kook koon kooo koot kotk kotn koto kott ktkk ktkn ktko ktkt ktnk ktnn ktno ktnt ktok kton ktoo ktot kttk kttn ktto kttt nknt nkok nnnn nnot nntn noko non- nonn nono nont noo- nook noon nooo noot not- noto nott ntto okko okno okok okon okot okto onno onon ont- onto oont oooo oto- otok oton otoo otto tkon toko tonk tonn tono took toon toot toto tott tton tttt