-er a-a aaa aae aag aak aao aap aar aav aea aee aeg aek aeo aep aer aev ag- aga age agg agk ago agp agr agv aka ake akg akk ako akp akr akv aoa aoe aog aok aoo aop aor aov ap- apa ape apg apk apo app apr apv ar- ara are arg ark aro arp arr arv av- ava ave avg avk avo avp avr eaa eae eag eak eao eap ear eav eea eee eeg eek eeo eep eer eev ega ege egg ego egp egr eka eke ekg eko ekp ekr ekv eo- eoa eoe eog eok eoo eop eor ep- epa epe epg epo epp epr era ere erg erk ero erp err erv eva eve evg evo evp evr evv g-p gaa gae gag gak gao gap gar gav ge- gea gee geg gek geo gep ger gev gga ggg ggo ggp ggr ggv gka gko gkp goa goe gog gok goo gop gor gov gpa gpe gpg gpk gpo gpp gpr gra gre grg grk gro grp grr grv gva gve gvg gvk gvo gvp gvr ka- kaa kae kag kak kao kap kar kav ke- kea kee keg kek keo kep ker kev kga kgo kgp kgv kke kkk kkp kkr kkv koa koe kog kok koo kop kor kpa kpe kpk kpo kpp kpr kpv kra krg krk kro krp krr krv kva kvk kvo kvp kvr kvv oaa oae oag oak oao oap oar oav oea oee oeg oeo oep oer oga oge ogg ogo ogp oka oke okg okk oko okp okr oo- ooa oog ook ooo oop oor oov op- opa ope opg opk opo opp opr opv or- ora ore org ork oro orp orr orv ov- ova ove ovo ovp ovv p-p paa pae pag pak pao pap par pav pea pee peg pek peo pep per pev pga pge pgg pgk pgo pgp pgr pgv pka pke pkg pko pkp pkr poa poe pog pok poo pop por pov ppa ppe ppg ppk ppo ppp ppr ppv pra pre prg prk pro prp prr prv pva pve pvg pvk pvo pvp pvr pvv ra- raa rae rag rak rao rap rar rav re- rea ree reg rek reo rep rer rev rga rge rgg rgk rgo rgp rgr rgv rke rkg rkk rko rkp rkv roa roe rog rok roo rop ror rov rpa rpe rpg rpk rpo rpp rpr rpv rra rrg rrk rrp rrr rva rve rvg rvo rvp rvr rvv v-a v-e vaa vae vag vak vao vap var vav vea vee veg vek veo vep ver vga vgg vgo vgp vgr vka vkg vkp voa voe vog vok voo vop vor vov vpa vpe vpg vpk vpo vpp vpr vra vre vrg vrk vrp vrr vva vvg vvo vvr vvv