-er a-a aaa aae aaf aag aan aao aar aav aea aee aef aeg aen aeo aer aev af- afa afe aff afg afn afo afr afv ag- aga age agf agg agn ago agr agv an- ana ane anf ang ann ano anr anv aoa aoe aof aog aon aoo aor aov ar- ara are arf arg arn aro arr arv av- ava ave avf avg avn avo avr eaa eae eaf eag ean eao ear eav eea eee eef eeg een eeo eer eev ef- efa efe eff efg efo efr ega ege egf egg egn ego egr en- ena ene enf eng enn eno enr env eo- eoa eoe eof eog eon eoo eor era ere erf erg ern ero err erv eva eve evf evg evn evo evr evv faa fae faf fag fan fao far fav fea fee fef feg fen feo fer fev ffa ffe fff ffg ffn ffo ffr ffv fga fge fgf fgg fgn fgr fgv fna fne fnf fng fnn fnr fnv foa foe fof fog fon foo for fra fre frf frg frn fro frr fva fvg gaa gae gaf gag gan gao gar gav ge- gea gee gef geg gen geo ger gev gfa gfe gff gfo gfr gga ggg ggn ggo ggr ggv gna gne gnf gnn gno gnr gnv goa goe gof gog gon goo gor gov gra gre grf grg grn gro grr grv gva gve gvf gvg gvn gvo gvr naa nae naf nag nan nao nar nav ne- nea nee nef neg nen neo ner nev nfa nfe nff nfn nfo nfr nfv nga nge ngf ngg ngn ngo nna nne nnf nng nnn nno nnv no- noa noe nof nog non noo nor nov nra nre nrf nrg nrn nro nrr nrv nva nve nvg nvn nvv oaa oae oaf oag oan oao oar oav oea oee oef oeg oen oeo oer of- ofa ofe off ofg ofn ofo ofr ofv oga oge ogf ogg ogn ogo on- ona one onf ong onn ono onr oo- ooa oof oog oon ooo oor oov or- ora ore orf org orn oro orr orv ov- ova ove ovf ovo ovv ra- raa rae raf rag ran rao rar rav re- rea ree ref reg ren reo rer rev rfa rfe rff rfg rfn rfo rfr rfv rga rge rgf rgg rgn rgo rgr rgv rna rng rnn rno rnr rnv roa roe rof rog ron roo ror rov rra rrf rrg rrn rrr rva rve rvf rvg rvn rvo rvr rvv v-a v-e vaa vae vag van vao var vav vea vee vef veg ven veo ver vfa vff vfg vfn vfr vfv vga vgf vgg vgn vgo vgr vn- vna vnf vng vno vnr vnv voa voe vof vog von voo vor vov vra vre vrf vrg vrn vrr vva vvg vvo vvr vvv