ggg ggn ggo ggr ggu gkn gko gnn gno gnr gnu gog gok gon goo gor gou grg grk grn gro grr gru gu- gug guk gun guo gur guu kgo kgu kkk kkn kkr kku kn- kng knk knn kno knr knu kog kok kon koo kor kou krg krk krn kro krr kru kug kuk kun kur kuu ngg ngk ngn ngo ngu nkk nkn nko nkr nku nng nnk nnn nno nnu no- nog nok non noo nor nou nrg nrk nrn nro nrr nru nug nuk nun nuo nur nuu ogg ogn ogo okg okk oko okr oku on- ong onk onn ono onr onu oo- oog ook oon ooo oor or- org ork orn oro orr oru ou- ouk oun ouo our rgg rgk rgn rgo rgr rkg rkk rko rku rng rnn rno rnr rnu rog rok ron roo ror rou rrg rrk rrn rrr rru rug ruk run ruo rur ruu ugg ugk ugn ugo ugr ugu ukk ukn ukr uku un- ung unk unn uno unr unu uog uok uon uoo uor ur- urg urk urn uro urr uru uug uun uur uuu