a-a a-c aaa aac aaf aag aam aan aar aas ac- aca acc acf acg acm acn acr acs af- afa afc aff afg afm afn afr afs ag- aga agc agf agg agm agn agr ags ama amc amf amg amm amn amr ams an- ana anc anf ang anm ann anr ans ar- ara arc arf arg arm arn arr ars as- asa asc asf asg asm asn asr ass c-- caa cac caf cag cam can car cas cca ccc ccf ccg ccm ccn ccr ccs cfa cfc cff cfg cfm cfn cfr cfs cga cgc cgg cgm cgn cgr cgs cma cmc cmf cmg cmm cmn cmr cms cn- cna cnc cnf cng cnm cnn cnr cns cra crc crf crg crm crn crr crs csa csc csf csg csm csn csr css faa fac faf fag fam fan far fas fca fcc fcf fcg fcm fcn fcr fcs ffa ffc fff ffg ffm ffn ffr ffs fga fgc fgf fgg fgm fgn fgr fgs fma fmc fmf fmg fmm fmn fmr fms fna fnc fnf fng fnm fnn fnr fns fra frc frf frg frm frn frr frs fsa fsc fsf fsg fsm fsn fsr fss gaa gac gaf gag gam gan gar gas gca gcc gcf gcg gcm gcn gcr gcs gfa gfc gff gfm gfr gfs gga ggc ggg ggm ggn ggr ggs gma gmc gmf gmg gmm gmn gmr gms gna gnc gnf gnm gnn gnr gns gra grc grf grg grm grn grr grs gsa gsc gsf gsg gsm gsn gsr gss m-f m-r maa mac maf mag mam man mar mas mc- mca mcc mcf mcg mcm mcn mcr mcs mfa mfc mff mfg mfm mfn mfr mfs mga mgc mgf mgm mgn mgr mgs mma mmc mmf mmg mmm mmn mmr mms mna mnc mnf mng mnm mnn mnr mns mra mrc mrf mrg mrm mrn mrr mrs msa msc msf msg msm msn msr mss naa nac naf nag nam nan nar nas nca ncc ncf ncg ncm ncn ncr ncs nfa nfc nff nfn nfr nfs nga ngc ngf ngg ngm ngn ngs nma nmc nmg nmm nmn nmr nms nna nnc nnf nng nnm nnn nns nra nrc nrf nrg nrm nrn nrr nrs nsa nsc nsf nsg nsm nsn nsr nss ra- raa rac raf rag ram ran rar ras rca rcc rcf rcg rcm rcn rcr rcs rfa rfc rff rfg rfm rfn rfr rfs rga rgc rgf rgg rgn rgr rgs rma rmc rmf rmg rmm rmn rmr rms rna rnc rng rnm rnn rnr rns rra rrc rrf rrg rrm rrn rrr rrs rsa rsc rsf rsg rsm rsn rsr rss saa sac saf sag sam san sar sas sca scc scf scg scm scn scr scs sfa sfc sff sfg sfm sfn sfr sfs sga sgc sgf sgg sgm sgn sgr sgs sma smc smf smg smm smn smr sms sna snc snf sng snm snn snr sns sr- sra src srf srg srm srn srr srs ss- ssa ssc ssf ssg ssm ssn ssr sss