-er eee eeg een eep eer eex ege egg egi egn egp egr egx eie eig eii ein eip eir eix en- ene eng eni enn enp enr ep- epe epg epi epn epp epr epx ere erg eri ern erp err ex- exe exi exp exr exx g-p ge- gee geg gei gen gep ger gex ggg ggi ggn ggp ggr gie gig gii gin gip gir gne gni gnn gnp gnr gpe gpg gpi gpn gpp gpr gpx gre grg gri grn grp grr grx gxp ie- iee ieg iei ien iep ier iex ige igg igi ign igp igr iie iii iin iip iir iix in- ine ing ini inn inp inr inx ipe ipg ipi ipn ipp ipr ipx ir- ire irg iri irn irp irr irx ixe ixi ixn n-i ne- nee neg nei nen nep ner nex nge ngg ngi ngn ngp nie nig nii nin nip nir nix nne nng nni nnn nnp npe npg npi npn npp npr nre nrg nri nrn nrp nrr nrx p-p pee peg pei pen pep per pex pge pgg pgi pgn pgp pgr pie pig pii pin pip pir pix pn- pne png pni pnn pnp pnr pnx ppe ppg ppi ppn ppp ppr ppx pre prg pri prn prp prr prx pxe pxg pxr re- ree reg rei ren rep rer rex rge rgg rgi rgn rgp rgr rgx rie rig rii rin rip rir rix rng rni rnn rnp rnr rpe rpg rpi rpn rpp rpr rpx rrg rri rrn rrp rrr rxp rxr xee xeg xen xep xer xex xge xgi xgp xie xii xin xix xpe xpg xpn xpp xrx xxi xxp xxx