ggg ggh ggn ggo ggs ghg ghh ghn gho ghs gnn gno gns gog goh gon goo gos gsg gsn gso gss hgg hgh hgn hgo hgs hhg hhh hhn hho hhs hng hnh hnn hno hns hog hoh hon hoo hos hsg hsh hsn hss ngg ngh ngn ngo ngs nhg nhh nhn nhs nng nnh nnn nno nns no- nog noh non noo nos nsg nsh nsn nso nss ogg ogh ogn ogo ogs ohg ohh ohn oho ohs on- ong onh onn ono ons oo- oog ooh oon ooo oos os- osg osh osn oso oss sgg sgh sgn sgo sgs sh- shg shh shn sho shs sng snn sno sns sog soh son soo sos ss- ssg ssh ssn sso sss