ggg ggn ggo ggs ggz gnn gno gns gog gon goo gos goz gsg gsn gso gss gzo ngg ngn ngo ngs nng nnn nno nns nnz no- nog non noo nos noz nsg nsn nso nss nsz nzg nzo nzs nzz ogg ogn ogo ogs on- ong onn ono ons oo- oog oon ooo oos os- osg osn oso oss ozo ozs ozz sgg sgn sgo sgs sng snn sno sns sog son soo sos soz ss- ssg ssn sso sss ssz z-g zgg zgs znn zno zns zo- zog zon zoo zos zsg zsz zzs zzz