-al -ol a-a aaa aaf aag aal aan aao aav af- afa aff afg afl afn afo afv ag- aga agf agg agl agn ago agv al- ala alf alg all aln alo alv an- ana anf ang anl ann ano anv aoa aof aog aol aon aoo aov av- ava avf avg avl avn avo faa faf fag fal fan fao fav ffa fff ffg ffl ffn ffo ffv fga fgf fgg fgl fgn fgv fla flf flg fll fln flo fna fnf fng fnl fnn fnv foa fof fog fol fon foo fva fvg gaa gaf gag gal gan gao gav gfa gff gfl gfo gga ggg ggn ggo ggv gla glf glg gll gln glo glv gna gnf gnl gnn gno gnv goa gof gog gol gon goo gov gva gvf gvg gvl gvn gvo la- laa laf lag lal lan lao lav lfa lff lfg lfl lfn lfo lga lgf lgg lgl lgn lgo lgv lla llf llg lll lln llo llv lna lng lnl lnn lno loa lof log lol lon loo lov lva lvf lvg lvl lvn lvv naa naf nag nal nan nao nav nfa nff nfl nfn nfo nfv nga ngf ngg ngl ngn ngo nla nlf nlg nll nln nlo nlv nna nnf nng nnl nnn nno nnv no- noa nof nog nol non noo nov nva nvg nvl nvn nvv oaa oaf oag oal oan oao oav of- ofa off ofg ofl ofn ofo ofv oga ogf ogg ogl ogn ogo ola olf olg oll oln olo on- ona onf ong onl onn ono oo- ooa oof oog ool oon ooo oov ov- ova ovf ovl ovo ovv v-a vaa vag val van vao vav vfa vff vfg vfl vfn vfv vga vgf vgg vgl vgn vgo vl- vla vlf vll vlo vlv vn- vna vnf vng vnl vno vnv voa vof vog vol von voo vov vva vvg vvo vvv