-er eee eeg eem eep eer ege egg egm egp egr em- eme emg emm emp emr ep- epe epg epm epp epr ere erg erm erp err g-p ge- gee geg gem gep ger ggg ggm ggp ggr gme gmg gmm gmp gmr gpe gpg gpm gpp gpr gre grg grm grp grr m-r mee meg mem mep mer mge mgm mgp mgr mme mmg mmm mmp mmr mpe mpg mpm mpp mpr mre mrg mrm mrp mrr p-p pee peg pem pep per pge pgg pgm pgp pgr pme pmg pmm pmp pmr ppe ppg ppm ppp ppr pre prg prm prp prr re- ree reg rem rep rer rge rgg rgp rgr rme rmg rmm rmp rmr rpe rpg rpm rpp rpr rrg rrm rrp rrr