-er a-a aaa aae aag aao aap aar aav aea aee aeg aeo aep aer aev ag- aga age agg ago agp agr agv aoa aoe aog aoo aop aor aov ap- apa ape apg apo app apr apv ar- ara are arg aro arp arr arv av- ava ave avg avo avp avr eaa eae eag eao eap ear eav eea eee eeg eeo eep eer eev ega ege egg ego egp egr eo- eoa eoe eog eoo eop eor ep- epa epe epg epo epp epr era ere erg ero erp err erv eva eve evg evo evp evr evv g-p gaa gae gag gao gap gar gav ge- gea gee geg geo gep ger gev gga ggg ggo ggp ggr ggv goa goe gog goo gop gor gov gpa gpe gpg gpo gpp gpr gra gre grg gro grp grr grv gva gve gvg gvo gvp gvr oaa oae oag oao oap oar oav oea oee oeg oeo oep oer oga oge ogg ogo ogp oo- ooa oog ooo oop oor oov op- opa ope opg opo opp opr opv or- ora ore org oro orp orr orv ov- ova ove ovo ovp ovv p-p paa pae pag pao pap par pav pea pee peg peo pep per pev pga pge pgg pgo pgp pgr pgv poa poe pog poo pop por pov ppa ppe ppg ppo ppp ppr ppv pra pre prg pro prp prr prv pva pve pvg pvo pvp pvr pvv ra- raa rae rag rao rap rar rav re- rea ree reg reo rep rer rev rga rge rgg rgo rgp rgr rgv roa roe rog roo rop ror rov rpa rpe rpg rpo rpp rpr rpv rra rrg rrp rrr rva rve rvg rvo rvp rvr rvv v-a v-e vaa vae vag vao vap var vav vea vee veg veo vep ver vga vgg vgo vgp vgr voa voe vog voo vop vor vov vpa vpe vpg vpo vpp vpr vra vre vrg vrp vrr vva vvg vvo vvr vvv