-al -ol a-a aaa aaf aag aal aan aao aar aas af- afa aff afg afl afn afo afr afs ag- aga agf agg agl agn ago agr ags al- ala alf alg all aln alo alr als an- ana anf ang anl ann ano anr ans aoa aof aog aol aon aoo aor aos ar- ara arf arg arl arn aro arr ars as- asa asf asg asl asn aso asr ass faa faf fag fal fan fao far fas ffa fff ffg ffl ffn ffo ffr ffs fga fgf fgg fgl fgn fgr fgs fla flf flg fll fln flo flr fls fna fnf fng fnl fnn fnr fns foa fof fog fol fon foo for fos fra frf frg frl frn fro frr frs fsa fsf fsg fsl fsn fso fsr fss gaa gaf gag gal gan gao gar gas gfa gff gfl gfo gfr gfs gga ggg ggn ggo ggr ggs gla glf glg gll gln glo glr gls gna gnf gnl gnn gno gnr gns goa gof gog gol gon goo gor gos gra grf grg grl grn gro grr grs gsa gsf gsg gsl gsn gso gsr gss la- laa laf lag lal lan lao lar las lfa lff lfg lfl lfn lfo lfr lfs lga lgf lgg lgl lgn lgo lgr lgs lla llf llg lll lln llo llr lls lna lng lnl lnn lno lnr lns loa lof log lol lon loo lor los lra lrf lrg lrn lro lrr lrs lsa lsf lsg lsl lsn lso lsr lss naa naf nag nal nan nao nar nas nfa nff nfl nfn nfo nfr nfs nga ngf ngg ngl ngn ngo ngs nla nlf nlg nll nln nlo nlr nls nna nnf nng nnl nnn nno nns no- noa nof nog nol non noo nor nos nra nrf nrg nrl nrn nro nrr nrs nsa nsf nsg nsl nsn nso nsr nss oaa oaf oag oal oan oao oar oas of- ofa off ofg ofl ofn ofo ofr ofs oga ogf ogg ogl ogn ogo ogs ola olf olg oll oln olo ols on- ona onf ong onl onn ono onr ons oo- ooa oof oog ool oon ooo oor oos or- ora orf org orl orn oro orr ors os- osa osf osg osl osn oso osr oss ra- raa raf rag ral ran rao rar ras rfa rff rfg rfl rfn rfo rfr rfs rga rgf rgg rgn rgo rgr rgs rla rlf rlg rll rln rlo rlr rls rna rng rnn rno rnr rns roa rof rog rol ron roo ror ros rra rrf rrg rrl rrn rrr rrs rsa rsf rsg rsl rsn rso rsr rss saa saf sag sal san sao sar sas sfa sff sfg sfl sfn sfo sfr sfs sga sgf sgg sgl sgn sgo sgr sgs sla slf slg sll sln slo slr sls sna snf sng snl snn sno snr sns soa sof sog sol son soo sor sos sr- sra srf srg srl srn sro srr srs ss- ssa ssf ssg ssl ssn sso ssr sss