g-p ggg ggi ggn ggo ggp ggs gig gii gin gio gip gis gni gnn gno gnp gns gog goi gon goo gop gos gpg gpi gpn gpo gpp gps gsg gsi gsn gso gsp gss igg igi ign igo igp igs iii iin iio iip iis in- ing ini inn ino inp ins io- iog ioi ion ioo iop ios ipg ipi ipn ipo ipp ips is- isg isi isn iso isp iss n-i ngg ngi ngn ngo ngp ngs nig nii nin nio nip nis nng nni nnn nno nnp nns no- nog noi non noo nop nos npg npi npn npo npp nps nsg nsi nsn nso nsp nss o-i ogg ogi ogn ogo ogp ogs oii oin oio oip ois on- ong oni onn ono onp ons oo- oog ooi oon ooo oop oos op- opg opi opn opo opp ops os- osg osi osn oso osp oss p-p pgg pgi pgn pgo pgp pgs pig pii pin pio pip pis pn- png pni pnn pno pnp pns pog poi pon poo pop pos ppg ppi ppn ppo ppp pps ps- psg psi psn pso psp pss sgg sgi sgn sgo sgp sgs sig sii sin sio sip sis sng sni snn sno snp sns sog soi son soo sop sos spg spi spn spo spp sps ss- ssg ssi ssn sso ssp sss