a-a aaa aae aaf aag aan aao aav aea aee aef aeg aen aeo aev af- afa afe aff afg afn afo afv ag- aga age agf agg agn ago agv an- ana ane anf ang ann ano anv aoa aoe aof aog aon aoo aov av- ava ave avf avg avn avo eaa eae eaf eag ean eao eav eea eee eef eeg een eeo eev ef- efa efe eff efg efo ega ege egf egg egn ego en- ena ene enf eng enn eno env eo- eoa eoe eof eog eon eoo eva eve evf evg evn evo evv faa fae faf fag fan fao fav fea fee fef feg fen feo fev ffa ffe fff ffg ffn ffo ffv fga fge fgf fgg fgn fgv fna fne fnf fng fnn fnv foa foe fof fog fon foo fva fvg gaa gae gaf gag gan gao gav ge- gea gee gef geg gen geo gev gfa gfe gff gfo gga ggg ggn ggo ggv gna gne gnf gnn gno gnv goa goe gof gog gon goo gov gva gve gvf gvg gvn gvo naa nae naf nag nan nao nav ne- nea nee nef neg nen neo nev nfa nfe nff nfn nfo nfv nga nge ngf ngg ngn ngo nna nne nnf nng nnn nno nnv no- noa noe nof nog non noo nov nva nve nvg nvn nvv oaa oae oaf oag oan oao oav oea oee oef oeg oen oeo of- ofa ofe off ofg ofn ofo ofv oga oge ogf ogg ogn ogo on- ona one onf ong onn ono oo- ooa oof oog oon ooo oov ov- ova ove ovf ovo ovv v-a v-e vaa vae vag van vao vav vea vee vef veg ven veo vfa vff vfg vfn vfv vga vgf vgg vgn vgo vn- vna vnf vng vno vnv voa voe vof vog von voo vov vva vvg vvo vvv