eee eeg eem eep ees ege egg egm egp egs em- eme emg emm emp ems ep- epe epg epm epp eps es- ese esg esm esp ess g-p ge- gee geg gem gep ges ggg ggm ggp ggs gme gmg gmm gmp gms gpe gpg gpm gpp gps gse gsg gsm gsp gss mee meg mem mep mes mge mgm mgp mgs mme mmg mmm mmp mms mpe mpg mpm mpp mps mse msg msm msp mss p-p pee peg pem pep pes pge pgg pgm pgp pgs pme pmg pmm pmp pms ppe ppg ppm ppp pps ps- pse psg psm psp pss se- see seg sem sep ses sge sgg sgm sgp sgs sme smg smm smp sms spe spg spm spp sps ss- sse ssg ssm ssp sss