-er a-a a-t aaa aae aag aao aap aar aat aav aea aee aeg aeo aep aer aet aev ag- aga age agg ago agp agr agt agv aoa aoe aog aoo aop aor aot aov ap- apa ape apg apo app apr apt apv ar- ara are arg aro arp arr art arv at- ata ate atg ato atp atr att atv av- ava ave avg avo avp avr avt eaa eae eag eao eap ear eat eav eea eee eeg eeo eep eer eet eev ega ege egg ego egp egr egt eo- eoa eoe eog eoo eop eor eot ep- epa epe epg epo epp epr ept era ere erg ero erp err ert erv eta ete etg eto etp etr ett etv eva eve evg evo evp evr evt evv g-p gaa gae gag gao gap gar gat gav ge- gea gee geg geo gep ger get gev gga ggg ggo ggp ggr ggt ggv goa goe gog goo gop gor got gov gpa gpe gpg gpo gpp gpr gpt gra gre grg gro grp grr grt grv gta gte gtg gto gtp gtr gtt gtv gva gve gvg gvo gvp gvr gvt oaa oae oag oao oap oar oat oav oea oee oeg oeo oep oer oet oga oge ogg ogo ogp ogt oo- ooa oog ooo oop oor oot oov op- opa ope opg opo opp opr opt opv or- ora ore org oro orp orr ort orv ot- ota ote otg oto otp otr ott otv ov- ova ove ovo ovp ovv p-p paa pae pag pao pap par pat pav pea pee peg peo pep per pet pev pga pge pgg pgo pgp pgr pgt pgv poa poe pog poo pop por pot pov ppa ppe ppg ppo ppp ppr ppt ppv pra pre prg pro prp prr prt prv pt- pta pte ptg pto ptp ptr ptt ptv pva pve pvg pvo pvp pvr pvt pvv ra- raa rae rag rao rap rar rat rav re- rea ree reg reo rep rer ret rev rga rge rgg rgo rgp rgr rgt rgv roa roe rog roo rop ror rot rov rpa rpe rpg rpo rpp rpr rpt rpv rra rrg rrp rrr rrt rta rte rtg rto rtp rtr rtt rtv rva rve rvg rvo rvp rvr rvt rvv taa tae tag tao tap tar tat tav te- tea tee teg teo tep ter tet tev tga tge tgg tgo tgp tgr tgt tgv to- toa toe tog too top tor tot tov tpa tpe tpg tpo tpp tpr tpt tpv tra tre trg tro trp trr trt trv tta tte ttg tto ttp ttr ttt ttv tva tve tvg tvo tvp tvr tvt v-a v-e vaa vae vag vao vap var vat vav vea vee veg veo vep ver vet vga vgg vgo vgp vgr vgt voa voe vog voo vop vor vot vov vpa vpe vpg vpo vpp vpr vpt vra vre vrg vrp vrr vrt vta vte vtg vto vtr vtt vtv vva vvg vvo vvr vvt vvv