kkk kkn kkr kn- knk knn kno knr kok kon koo kor kow krk krn kro krr krw kw- kwk kwo kww nkk nkn nko nkr nnk nnn nno nnw no- nok non noo nor now nrk nrn nro nrr nrw nwn nwo nwr okk oko okr okw on- onk onn ono onr oo- ook oon ooo oor oow or- ork orn oro orr owk own owo oww rkk rko rnn rno rnr rnw rok ron roo ror row rrk rrn rrr rwr wko wkr wkw wn- wnn wno wnw wok won woo wor wow wr- wrk wrn wro wrr wrw wwn wwo www