eee eeg een eeo eep ees ege egg egn ego egp egs en- ene eng enn eno enp ens eo- eoe eog eon eoo eop eos ep- epe epg epn epo epp eps es- ese esg esn eso esp ess g-p ge- gee geg gen geo gep ges ggg ggn ggo ggp ggs gne gnn gno gnp gns goe gog gon goo gop gos gpe gpg gpn gpo gpp gps gse gsg gsn gso gsp gss ne- nee neg nen neo nep nes nge ngg ngn ngo ngp ngs nne nng nnn nno nnp nns no- noe nog non noo nop nos npe npg npn npo npp nps nse nsg nsn nso nsp nss oee oeg oen oeo oep oes oge ogg ogn ogo ogp ogs on- one ong onn ono onp ons oo- oog oon ooo oop oos op- ope opg opn opo opp ops os- ose osg osn oso osp oss p-p pee peg pen peo pep pes pge pgg pgn pgo pgp pgs pn- pne png pnn pno pnp pns poe pog pon poo pop pos ppe ppg ppn ppo ppp pps ps- pse psg psn pso psp pss se- see seg sen seo sep ses sge sgg sgn sgo sgp sgs sne sng snn sno snp sns soe sog son soo sop sos spe spg spn spo spp sps ss- sse ssg ssn sso ssp sss