-er a-a aaa aae aag aam aao aap aar aea aee aeg aem aeo aep aer ag- aga age agg agm ago agp agr ama ame amg amm amo amp amr aoa aoe aog aom aoo aop aor ap- apa ape apg apm apo app apr ar- ara are arg arm aro arp arr eaa eae eag eam eao eap ear eea eee eeg eem eeo eep eer ega ege egg egm ego egp egr em- ema eme emg emm emo emp emr eo- eoa eoe eog eom eoo eop eor ep- epa epe epg epm epo epp epr era ere erg erm ero erp err g-p gaa gae gag gam gao gap gar ge- gea gee geg gem geo gep ger gga ggg ggm ggo ggp ggr gma gme gmg gmm gmo gmp gmr goa goe gog gom goo gop gor gpa gpe gpg gpm gpo gpp gpr gra gre grg grm gro grp grr m-o m-r maa mae mag mam mao map mar mea mee meg mem meo mep mer mga mge mgm mgo mgp mgr mma mme mmg mmm mmo mmp mmr moa moe mog mom moo mop mor mpa mpe mpg mpm mpo mpp mpr mra mre mrg mrm mro mrp mrr oaa oae oag oam oao oap oar oea oee oeg oem oeo oep oer oga oge ogg ogo ogp om- oma ome omg omm omo omp omr oo- ooa oog oom ooo oop oor op- opa ope opg opm opo opp opr or- ora ore org orm oro orp orr p-p paa pae pag pam pao pap par pea pee peg pem peo pep per pga pge pgg pgm pgo pgp pgr pma pme pmg pmm pmo pmp pmr poa poe pog pom poo pop por ppa ppe ppg ppm ppo ppp ppr pra pre prg prm pro prp prr ra- raa rae rag ram rao rap rar re- rea ree reg rem reo rep rer rga rge rgg rgo rgp rgr rma rme rmg rmm rmo rmp rmr roa roe rog rom roo rop ror rpa rpe rpg rpm rpo rpp rpr rra rrg rrm rrp rrr