g-p ggg ggi ggm ggo ggp gig gii gim gio gip gmg gmi gmm gmo gmp gog goi gom goo gop gpg gpi gpm gpo gpp igg igi igm igo igp iii iim iio iip im- img imi imm imo imp io- iog ioi iom ioo iop ipg ipi ipm ipo ipp m-o mgi mgm mgo mgp mi- mig mii mim mio mip mmg mmi mmm mmo mmp mog moi mom moo mop mpg mpi mpm mpo mpp o-i ogg ogi ogo ogp oii oim oio oip om- omg omi omm omo omp oo- oog ooi oom ooo oop op- opg opi opm opo opp p-p pgg pgi pgm pgo pgp pig pii pim pio pip pmg pmi pmm pmo pmp pog poi pom poo pop ppg ppi ppm ppo ppp