-er eee eef eeg eel een eer eev ef- efe eff efg efl efr ege egf egg egl egn egr egu ele elf elg ell eln elr elu elv en- ene enf eng enl enn enr enu env ere erf erg erl ern err eru erv eu- eue euf eug eul eun eur euv eve evf evg evl evn evr evv fee fef feg fel fen fer feu fev ffe fff ffg ffl ffn ffr ffu ffv fge fgf fgg fgl fgn fgr fgv fle flf flg fll fln flr flu fne fnf fng fnl fnn fnr fnu fnv fre frf frg frl frn frr fru fue fuf fug ful fun fur fuu fuv fvg ge- gee gef geg gel gen ger geu gev gfe gff gfl gfr ggg ggn ggr ggu ggv gle glf glg gll gln glr glu glv gne gnf gnl gnn gnr gnu gnv gre grf grg grl grn grr gru grv gu- gue guf gug gul gun gur guu guv gve gvf gvg gvl gvn gvr gvu lee lef leg lel len ler leu lev lfe lff lfg lfl lfn lfr lfu lge lgf lgg lgl lgn lgr lgu lgv lle llf llg lll lln llr llu llv lne lng lnl lnn lnr lnu lrf lrg lrn lrr lru lrv lue luf lug lul lun lur luu luv lve lvf lvg lvl lvn lvr lvv ne- nee nef neg nel nen ner neu nev nfe nff nfl nfn nfr nfu nfv nge ngf ngg ngl ngn ngu nle nlf nlg nll nln nlr nlu nlv nne nnf nng nnl nnn nnu nnv nre nrf nrg nrl nrn nrr nru nrv nue nug nul nun nur nuu nuv nve nvg nvl nvn nvu nvv re- ree ref reg rel ren rer reu rev rfe rff rfg rfl rfn rfr rfu rfv rge rgf rgg rgn rgr rgv rle rlf rlg rll rln rlr rlu rng rnn rnr rnu rnv rrf rrg rrl rrn rrr rru rue ruf rug run rur ruu ruv rve rvf rvg rvl rvn rvr rvu rvv uee uef ueg uel uen uer ufe uff ufg ufl ufn ufr ufu ufv uge ugf ugg ugl ugn ugr ugu ule ulf ulg ull uln ulr ulu ulv un- une unf ung unl unn unr unu unv ur- ure urf urg url urn urr uru uue uug uun uur uuu uve uvf uvl uvu uvv v-e vee vef veg vel ven ver veu vff vfg vfl vfn vfr vfu vfv vgf vgg vgl vgn vgr vgu vl- vle vlf vll vlv vn- vnf vng vnl vnr vnu vnv vre vrf vrg vrn vrr vru vue vug vul vur vuv vvg vvr vvv