-al -er -ic a-a a-c a-i a-t aaa aac aae aag aai aal aan aar aas aat ac- aca acc ace acg aci acl acn acr acs act aea aec aee aeg aei ael aen aer aes aet ag- aga agc age agg agi agl agn agr ags agt ai- aia aic aie aig aii ail ain air ais ait al- ala alc ale alg ali all aln alr als alt an- ana anc ane ang ani anl ann anr ans ant ar- ara arc are arg ari arl arn arr ars art as- asa asc ase asg asi asl asn asr ass ast at- ata atc ate atg ati atl atn atr ats att c-- caa cac cae cag cai cal can car cas cat cca ccc cce ccg cci ccl ccn ccr ccs cct ce- cea cec cee ceg cei cel cen cer ces cet cga cgc cge cgg cgi cgl cgn cgr cgs cgt ci- cia cic cie cig cii cil cin cir cis cit cl- cla clc cle clg cli cll cln clr cls clt cn- cna cnc cne cng cni cnl cnn cnr cns cnt cra crc cre crg cri crl crn crr crs crt csa csc cse csg csi csl csn csr css cst cta ctc cte ctg cti ctl ctn ctr cts ctt eaa eac eae eag eai eal ean ear eas eat ec- eca ecc ece ecg eci ecl ecn ecr ecs ect eea eec eee eeg eel een eer ees eet ega egc ege egg egi egl egn egr egs egt eia eic eie eig eii eil ein eir eis eit ela elc ele elg eli ell eln elr els elt en- ena enc ene eng eni enl enn enr ens ent era erc ere erg eri erl ern err ers ert es- esa esc ese esg esi esl esn esr ess est eta etc ete etg eti etl etn etr ets ett gaa gac gae gag gai gal gan gar gas gat gca gcc gce gcg gci gcl gcn gcr gcs gct ge- gea gec gee geg gei gel gen ger ges get gga ggc ggg ggi ggn ggr ggs ggt gia gic gie gig gii gil gin gir gis git gla glc gle glg gli gll gln glr gls glt gna gnc gne gni gnl gnn gnr gns gnt gra grc gre grg gri grl grn grr grs grt gsa gsc gse gsg gsi gsl gsn gsr gss gst gta gtc gte gtg gti gtl gtn gtr gts gtt ia- iaa iac iae iag iai ial ian iar ias iat ica icc ice icg ici icl icn icr ics ict ie- iea iec iee ieg iei iel ien ier ies iet iga igc ige igg igi igl ign igr igs igt iia iic iie iii iil iin iir iis iit il- ila ilc ile ilg ili ill iln ilr ils ilt in- ina inc ine ing ini inl inn inr ins int ir- ira irc ire irg iri irl irn irr irs irt is- isa isc ise isg isi isl isn isr iss ist ita itc ite itg iti itl itn its itt la- laa lac lae lag lai lal lan lar las lat lca lcc lce lcg lci lcl lcn lcr lcs lct lea lec lee leg lei lel len ler les let lga lgc lge lgg lgi lgl lgn lgr lgs lgt lia lic lie lig lii lil lin lir lis lit lla llc lle llg lli lll lln llr lls llt lna lnc lne lng lni lnl lnn lnr lns lnt lra lrc lrg lri lrn lrr lrs lrt lsa lsc lse lsg lsi lsl lsn lsr lss lst lta ltc lte ltg lti ltl ltr lts ltt n-i naa nac nae nag nai nal nan nar nas nat nca ncc nce ncg nci ncl ncn ncr ncs nct ne- nea nec nee neg nei nel nen ner nes net nga ngc nge ngg ngi ngl ngn ngs ngt nia nic nie nig nii nil nin nir nis nit nla nlc nle nlg nli nll nln nlr nls nlt nna nnc nne nng nni nnl nnn nns nnt nra nrc nre nrg nri nrl nrn nrr nrs nrt nsa nsc nse nsg nsi nsl nsn nsr nss nst nta ntc nte ntg nti ntn ntr nts ntt ra- raa rac rae rag rai ral ran rar ras rat rca rcc rce rcg rci rcl rcn rcr rcs rct re- rea rec ree reg rei rel ren rer res ret rga rgc rge rgg rgi rgn rgr rgs rgt ria ric rie rig rii ril rin rir ris rit rla rlc rle rlg rli rll rln rlr rls rlt rna rnc rng rni rnn rnr rns rnt rra rrc rrg rri rrl rrn rrr rrs rrt rsa rsc rse rsg rsi rsl rsn rsr rss rst rta rtc rte rtg rti rtl rtn rtr rts rtt saa sac sae sag sai sal san sar sas sat sca scc sce scg sci scl scn scr scs sct se- sea sec see seg sei sel sen ser ses set sga sgc sge sgg sgi sgl sgn sgr sgs sgt sia sic sie sig sii sil sin sir sis sit sla slc sle slg sli sll sln slr sls slt sna snc sne sng sni snl snn snr sns snt sr- sra src sre srg sri srl srn srr srs srt ss- ssa ssc sse ssg ssi ssl ssn ssr sss sst sta stc ste stg sti stl stn str sts stt taa tac tae tag tai tal tan tar tas tat tca tcc tce tcg tci tcl tcn tcr tcs tct te- tea tec tee teg tei tel ten ter tes tet tga tgc tge tgg tgi tgl tgn tgr tgs tgt tia tic tie tig tii til tin tir tis tit tla tlc tle tlg tli tll tln tlr tls tlt tna tnc tne tng tni tnl tnn tnr tns tnt tra trc tre trg tri trl trn