-al -ic a-a a-c a-i aaa aac aag aai aal aan aar aas ac- aca acc acg aci acl acn acr acs ag- aga agc agg agi agl agn agr ags ai- aia aic aig aii ail ain air ais al- ala alc alg ali all aln alr als an- ana anc ang ani anl ann anr ans ar- ara arc arg ari arl arn arr ars as- asa asc asg asi asl asn asr ass c-- caa cac cag cai cal can car cas cca ccc ccg cci ccl ccn ccr ccs cga cgc cgg cgi cgl cgn cgr cgs ci- cia cic cig cii cil cin cir cis cl- cla clc clg cli cll cln clr cls cn- cna cnc cng cni cnl cnn cnr cns cra crc crg cri crl crn crr crs csa csc csg csi csl csn csr css gaa gac gag gai gal gan gar gas gca gcc gcg gci gcl gcn gcr gcs gga ggc ggg ggi ggn ggr ggs gia gic gig gii gil gin gir gis gla glc glg gli gll gln glr gls gna gnc gni gnl gnn gnr gns gra grc grg gri grl grn grr grs gsa gsc gsg gsi gsl gsn gsr gss ia- iaa iac iag iai ial ian iar ias ica icc icg ici icl icn icr ics iga igc igg igi igl ign igr igs iia iic iii iil iin iir iis il- ila ilc ilg ili ill iln ilr ils in- ina inc ing ini inl inn inr ins ir- ira irc irg iri irl irn irr irs is- isa isc isg isi isl isn isr iss la- laa lac lag lai lal lan lar las lca lcc lcg lci lcl lcn lcr lcs lga lgc lgg lgi lgl lgn lgr lgs lia lic lig lii lil lin lir lis lla llc llg lli lll lln llr lls lna lnc lng lni lnl lnn lnr lns lra lrc lrg lri lrn lrr lrs lsa lsc lsg lsi lsl lsn lsr lss n-i naa nac nag nai nal nan nar nas nca ncc ncg nci ncl ncn ncr ncs nga ngc ngg ngi ngl ngn ngs nia nic nig nii nil nin nir nis nla nlc nlg nli nll nln nlr nls nna nnc nng nni nnl nnn nns nra nrc nrg nri nrl nrn nrr nrs nsa nsc nsg nsi nsl nsn nsr nss ra- raa rac rag rai ral ran rar ras rca rcc rcg rci rcl rcn rcr rcs rga rgc rgg rgi rgn rgr rgs ria ric rig rii ril rin rir ris rla rlc rlg rli rll rln rlr rls rna rnc rng rni rnn rnr rns rra rrc rrg rri rrl rrn rrr rrs rsa rsc rsg rsi rsl rsn rsr rss saa sac sag sai sal san sar sas sca scc scg sci scl scn scr scs sga sgc sgg sgi sgl sgn sgr sgs sia sic sig sii sil sin sir sis sla slc slg sli sll sln slr sls sna snc sng sni snl snn snr sns sr- sra src srg sri srl srn srr srs ss- ssa ssc ssg ssi ssl ssn ssr sss