-al -ol a-a aaa aaf aag aal aao aar aas aav af- afa aff afg afl afo afr afs afv ag- aga agf agg agl ago agr ags agv al- ala alf alg all alo alr als alv aoa aof aog aol aoo aor aos aov ar- ara arf arg arl aro arr ars arv as- asa asf asg asl aso asr ass asv av- ava avf avg avl avo avr avs faa faf fag fal fao far fas fav ffa fff ffg ffl ffo ffr ffs ffv fga fgf fgg fgl fgr fgs fgv fla flf flg fll flo flr fls foa fof fog fol foo for fos fra frf frg frl fro frr frs fsa fsf fsg fsl fso fsr fss fsv fva fvg gaa gaf gag gal gao gar gas gav gfa gff gfl gfo gfr gfs gga ggg ggo ggr ggs ggv gla glf glg gll glo glr gls glv goa gof gog gol goo gor gos gov gra grf grg grl gro grr grs grv gsa gsf gsg gsl gso gsr gss gsv gva gvf gvg gvl gvo gvr gvs la- laa laf lag lal lao lar las lav lfa lff lfg lfl lfo lfr lfs lga lgf lgg lgl lgo lgr lgs lgv lla llf llg lll llo llr lls llv loa lof log lol loo lor los lov lra lrf lrg lro lrr lrs lrv lsa lsf lsg lsl lso lsr lss lsv lva lvf lvg lvl lvr lvs lvv oaa oaf oag oal oao oar oas oav of- ofa off ofg ofl ofo ofr ofs ofv oga ogf ogg ogl ogo ogs ola olf olg oll olo ols oo- ooa oof oog ool ooo oor oos oov or- ora orf org orl oro orr ors orv os- osa osf osg osl oso osr oss osv ov- ova ovf ovl ovo ovs ovv ra- raa raf rag ral rao rar ras rav rfa rff rfg rfl rfo rfr rfs rfv rga rgf rgg rgo rgr rgs rgv rla rlf rlg rll rlo rlr rls roa rof rog rol roo ror ros rov rra rrf rrg rrl rrr rrs rsa rsf rsg rsl rso rsr rss rsv rva rvf rvg rvl rvo rvr rvs rvv saa saf sag sal sao sar sas sav sfa sff sfg sfl sfo sfr sfs sfv sga sgf sgg sgl sgo sgr sgs sgv sla slf slg sll slo slr sls slv soa sof sog sol soo sor sos sov sr- sra srf srg srl sro srr srs srv ss- ssa ssf ssg ssl sso ssr sss ssv sva svf svg svl svo svr svs svv v-a vaa vag val vao var vas vav vfa vff vfg vfl vfr vfs vfv vga vgf vgg vgl vgo vgr vgs vl- vla vlf vll vlo vls vlv voa vof vog vol voo vor vos vov vra vrf vrg vrr vrs vsa vsf vsg vsl vso vsr vss vsv vva vvg vvo vvr vvs vvv