a-a aaa aaf aag aam aan aao aar aas af- afa aff afg afm afn afo afr afs ag- aga agf agg agm agn ago agr ags ama amf amg amm amn amo amr ams an- ana anf ang anm ann ano anr ans aoa aof aog aom aon aoo aor aos ar- ara arf arg arm arn aro arr ars as- asa asf asg asm asn aso asr ass faa faf fag fam fan fao far fas ffa fff ffg ffm ffn ffo ffr ffs fga fgf fgg fgm fgn fgr fgs fma fmf fmg fmm fmn fmo fmr fms fna fnf fng fnm fnn fnr fns foa fof fog fom fon foo for fos fra frf frg frm frn fro frr frs fsa fsf fsg fsm fsn fso fsr fss gaa gaf gag gam gan gao gar gas gfa gff gfm gfo gfr gfs gga ggg ggm ggn ggo ggr ggs gma gmf gmg gmm gmn gmo gmr gms gna gnf gnm gnn gno gnr gns goa gof gog gom gon goo gor gos gra grf grg grm grn gro grr grs gsa gsf gsg gsm gsn gso gsr gss m-f m-o m-r maa maf mag mam man mao mar mas mfa mff mfg mfm mfn mfo mfr mfs mga mgf mgm mgn mgo mgr mgs mma mmf mmg mmm mmn mmo mmr mms mna mnf mng mnm mnn mno mnr mns moa mof mog mom mon moo mor mos mra mrf mrg mrm mrn mro mrr mrs msa msf msg msm msn mso msr mss naa naf nag nam nan nao nar nas nfa nff nfn nfo nfr nfs nga ngf ngg ngm ngn ngo ngs nma nmg nmm nmn nmo nmr nms nna nnf nng nnm nnn nno nns no- noa nof nog nom non noo nor nos nra nrf nrg nrm nrn nro nrr nrs nsa nsf nsg nsm nsn nso nsr nss oaa oaf oag oam oan oao oar oas of- ofa off ofg ofm ofn ofo ofr ofs oga ogf ogg ogn ogo ogs om- oma omf omg omm omn omo omr oms on- ona onf ong onn ono onr ons oo- ooa oof oog oom oon ooo oor oos or- ora orf org orm orn oro orr ors os- osa osf osg osm osn oso osr oss ra- raa raf rag ram ran rao rar ras rfa rff rfg rfm rfn rfo rfr rfs rga rgf rgg rgn rgo rgr rgs rma rmf rmg rmm rmn rmo rmr rms rna rng rnm rnn rno rnr rns roa rof rog rom ron roo ror ros rra rrf rrg rrm rrn rrr rrs rsa rsf rsg rsm rsn rso rsr rss saa saf sag sam san sao sar sas sfa sff sfg sfm sfn sfo sfr sfs sga sgf sgg sgm sgn sgo sgr sgs sma smf smg smm smn smo smr sms sna snf sng snm snn sno snr sns soa sof sog som son soo sor sos sr- sra srf srg srm srn sro srr srs ss- ssa ssf ssg ssm ssn sso ssr sss