ggg ggn ggo ggs gkn gko gks gnn gno gns gog gok gon goo gos gsg gsk gsn gso gss kgo kgs kkk kkn kks kn- kng knk knn kno kog kok kon koo kos ksg ksk ksn kso kss ngg ngk ngn ngo ngs nkk nkn nko nks nng nnk nnn nno nns no- nog nok non noo nos nsg nsk nsn nso nss ogg ogn ogo ogs okg okk oko oks on- ong onk onn ono ons oo- oog ook oon ooo oos os- osg osk osn oso oss sgg sgk sgn sgo sgs sk- skg skk sko sks sng snk snn sno sns sog sok son soo sos ss- ssg ssk ssn sso sss