-er eee eeg eeo eep eer eet ege egg ego egp egr egt eo- eoe eog eoo eop eor eot ep- epe epg epo epp epr ept ere erg ero erp err ert ete etg eto etp etr ett g-p ge- gee geg geo gep ger get ggg ggo ggp ggr ggt goe gog goo gop gor got gpe gpg gpo gpp gpr gpt gre grg gro grp grr grt gte gtg gto gtp gtr gtt oee oeg oeo oep oer oet oge ogg ogo ogp ogt oo- oog ooo oop oor oot op- ope opg opo opp opr opt or- ore org oro orp orr ort ot- ote otg oto otp otr ott p-p pee peg peo pep per pet pge pgg pgo pgp pgr pgt poe pog poo pop por pot ppe ppg ppo ppp ppr ppt pre prg pro prp prr prt pt- pte ptg pto ptp ptr ptt re- ree reg reo rep rer ret rge rgg rgo rgp rgr rgt roe rog roo rop ror rot rpe rpg rpo rpp rpr rpt rrg rrp rrr rrt rte rtg rto rtp rtr rtt te- tee teg teo tep ter tet tge tgg tgo tgp tgr tgt to- toe tog too top tor tot tpe tpg tpo tpp tpr tpt tre trg tro trp trr trt tte ttg tto ttp ttr ttt