-al -er -ol a-a aaa aae aaf aag aal aao aar aav aea aee aef aeg ael aeo aer aev af- afa afe aff afg afl afo afr afv ag- aga age agf agg agl ago agr agv al- ala ale alf alg all alo alr alv aoa aoe aof aog aol aoo aor aov ar- ara are arf arg arl aro arr arv av- ava ave avf avg avl avo avr eaa eae eaf eag eal eao ear eav eea eee eef eeg eel eeo eer eev ef- efa efe eff efg efl efo efr ega ege egf egg egl ego egr ela ele elf elg ell elo elr elv eo- eoa eoe eof eog eol eoo eor era ere erf erg erl ero err erv eva eve evf evg evl evo evr evv faa fae faf fag fal fao far fav fea fee fef feg fel feo fer fev ffa ffe fff ffg ffl ffo ffr ffv fga fge fgf fgg fgl fgr fgv fla fle flf flg fll flo flr foa foe fof fog fol foo for fra fre frf frg frl fro frr fva fvg gaa gae gaf gag gal gao gar gav ge- gea gee gef geg gel geo ger gev gfa gfe gff gfl gfo gfr gga ggg ggo ggr ggv gla gle glf glg gll glo glr glv goa goe gof gog gol goo gor gov gra gre grf grg grl gro grr grv gva gve gvf gvg gvl gvo gvr la- laa lae laf lag lal lao lar lav lea lee lef leg lel leo ler lev lfa lfe lff lfg lfl lfo lfr lga lge lgf lgg lgl lgo lgr lgv lla lle llf llg lll llo llr llv loa loe lof log lol loo lor lov lra lrf lrg lro lrr lrv lva lve lvf lvg lvl lvr lvv oaa oae oaf oag oal oao oar oav oea oee oef oeg oel oeo oer of- ofa ofe off ofg ofl ofo ofr ofv oga oge ogf ogg ogl ogo ola ole olf olg oll olo oo- ooa oof oog ool ooo oor oov or- ora ore orf org orl oro orr orv ov- ova ove ovf ovl ovo ovv ra- raa rae raf rag ral rao rar rav re- rea ree ref reg rel reo rer rev rfa rfe rff rfg rfl rfo rfr rfv rga rge rgf rgg rgo rgr rgv rla rle rlf rlg rll rlo rlr roa roe rof rog rol roo ror rov rra rrf rrg rrl rrr rva rve rvf rvg rvl rvo rvr rvv v-a v-e vaa vae vag val vao var vav vea vee vef veg vel veo ver vfa vff vfg vfl vfr vfv vga vgf vgg vgl vgo vgr vl- vla vle vlf vll vlo vlv voa voe vof vog vol voo vor vov vra vre vrf vrg vrr vva vvg vvo vvr vvv