-al -ol a-a a-i aaa aaf aag aai aal aao aar af- afa aff afg afi afl afo afr ag- aga agf agg agi agl ago agr ai- aia aif aig aii ail aio air al- ala alf alg ali all alo alr aoa aof aog aoi aol aoo aor ar- ara arf arg ari arl aro arr faa faf fag fai fal fao far ffa fff ffg ffi ffl ffo ffr fga fgf fgg fgi fgl fgr fia fif fig fii fil fir fla flf flg fli fll flo flr foa fof fog foi fol foo for fra frf frg fri frl fro frr gaa gaf gag gai gal gao gar gfa gff gfi gfl gfo gfr gga ggg ggi ggo ggr gia gif gig gii gil gio gir gla glf glg gli gll glo glr goa gof gog goi gol goo gor gra grf grg gri grl gro grr i-f ia- iaa iaf iag iai ial iao iar ifa iff ifg ifi ifl ifo ifr iga igf igg igi igl igo igr iia iif iii iil iio iir il- ila ilf ilg ili ill ilo ilr io- ioa iof iog ioi iol ioo ior ir- ira irf irg iri irl iro irr la- laa laf lag lai lal lao lar lfa lff lfg lfi lfl lfo lfr lga lgf lgg lgi lgl lgo lgr lia lif lig lii lil lio lir lla llf llg lli lll llo llr loa lof log loi lol loo lor lra lrf lrg lri lro lrr o-i oaa oaf oag oai oal oao oar of- ofa off ofg ofi ofl ofo ofr oga ogf ogg ogi ogl ogo oia oif oii oil oio oir ola olf olg oli oll olo oo- ooa oof oog ooi ool ooo oor or- ora orf org ori orl oro orr ra- raa raf rag rai ral rao rar rfa rff rfg rfi rfl rfo rfr rga rgf rgg rgi rgo rgr ria rif rig rii ril rio rir rla rlf rlg rli rll rlo rlr roa rof rog roi rol roo ror rra rrf rrg rri rrl rrr