-al -er -ic a-a a-c a-i a-t aaa aac aae aag aai aal aap aar aas aat ac- aca acc ace acg aci acl acp acr acs act aea aec aee aeg aei ael aep aer aes aet ag- aga agc age agg agi agl agp agr ags agt ai- aia aic aie aig aii ail aip air ais ait al- ala alc ale alg ali all alp alr als alt ap- apa apc ape apg api apl app apr aps apt ar- ara arc are arg ari arl arp arr ars art as- asa asc ase asg asi asl asp asr ass ast at- ata atc ate atg ati atl atp atr ats att c-- caa cac cae cag cai cal cap car cas cat cca ccc cce ccg cci ccl ccp ccr ccs cct ce- cea cec cee ceg cei cel cep cer ces cet cga cgc cge cgg cgi cgl cgp cgr cgs cgt ci- cia cic cie cig cii cil cip cir cis cit cl- cla clc cle clg cli cll clp clr cls clt cpa cpc cpe cpg cpi cpl cpp cpr cps cpt cra crc cre crg cri crl crp crr crs crt csa csc cse csg csi csl csp csr css cst cta ctc cte ctg cti ctl ctp ctr cts ctt eaa eac eae eag eai eal eap ear eas eat ec- eca ecc ece ecg eci ecl ecr ecs ect eea eec eee eeg eel eep eer ees eet ega egc ege egg egi egl egp egr egs egt eia eic eie eig eii eil eip eir eis eit ela elc ele elg eli ell elp elr els elt ep- epa epc epe epg epi epl epp epr eps ept era erc ere erg eri erl erp err ers ert es- esa esc ese esg esi esl esp esr ess est eta etc ete etg eti etl etp etr ets ett g-p gaa gac gae gag gai gal gap gar gas gat gca gcc gce gcg gci gcl gcp gcr gcs gct ge- gea gec gee geg gei gel gep ger ges get gga ggc ggg ggi ggp ggr ggs ggt gia gic gie gig gii gil gip gir gis git gla glc gle glg gli gll glp glr gls glt gpa gpc gpe gpg gpi gpl gpp gpr gps gpt gra grc gre grg gri grl grp grr grs grt gsa gsc gse gsg gsi gsl gsp gsr gss gst gta gtc gte gtg gti gtl gtp gtr gts gtt ia- iaa iac iae iag iai ial iap iar ias iat ica icc ice icg ici icl icp icr ics ict ie- iea iec iee ieg iei iel iep ier ies iet iga igc ige igg igi igl igp igr igs igt iia iic iie iii iil iip iir iis iit il- ila ilc ile ilg ili ill ilp ilr ils ilt ipa ipc ipe ipg ipi ipl ipp ipr ips ipt ir- ira irc ire irg iri irl irp irr irs irt is- isa isc ise isg isi isl isp isr iss ist ita itc ite itg iti itl itp its itt l-p la- laa lac lae lag lai lal lap lar las lat lca lcc lce lcg lci lcl lcp lcr lcs lct lea lec lee leg lei lel lep ler les let lga lgc lge lgg lgi lgl lgp lgr lgs lgt lia lic lie lig lii lil lip lir lis lit lla llc lle llg lli lll llp llr lls llt lpa lpc lpe lpg lpi lpl lpp lpr lps lpt lra lrc lrg lri lrp lrr lrs lrt lsa lsc lse lsg lsi lsl lsp lsr lss lst lta ltc lte ltg lti ltl ltp ltr lts ltt p-p paa pac pae pag pai pal pap par pas pat pca pcc pce pcg pci pcl pcp pcr pcs pct pea pec pee peg pei pel pep per pes pet pga pgc pge pgg pgi pgl pgp pgr pgs pgt pia pic pie pig pii pil pip pir pis pit pla plc ple plg pli pll plp plr pls plt ppa ppc ppe ppg ppi ppl ppp ppr pps ppt pra prc pre prg pri prl prp prr prs prt ps- psa psc pse psg psi psl psp psr pss pst pt- pta ptc pte ptg pti ptl ptp ptr pts ptt ra- raa rac rae rag rai ral rap rar ras rat rca rcc rce rcg rci rcl rcp rcr rcs rct re- rea rec ree reg rei rel rep rer res ret rga rgc rge rgg rgi rgp rgr rgs rgt ria ric rie rig rii ril rip rir ris rit rla rlc rle rlg rli rll rlp rlr rls rlt rpa rpc rpe rpg rpi rpl rpp rpr rps rpt rra rrc rrg rri rrl rrp rrr rrs rrt rsa rsc rse rsg rsi rsl rsp rsr rss rst rta rtc rte rtg rti rtl rtp rtr rts rtt saa sac sae sag sai sal sap sar sas sat sca scc sce scg sci scl scp scr scs sct se- sea sec see seg sei sel sep ser ses set sga sgc sge sgg sgi sgl sgp sgr sgs sgt sia sic sie sig sii sil sip sir sis sit sla slc sle slg sli sll slp slr sls slt spa spc spe spg spi spl spp spr sps spt sr- sra src sre srg sri srl srp srr srs srt ss- ssa ssc sse ssg ssi ssl ssp ssr sss sst sta stc ste stg sti stl stp str sts stt taa tac tae tag tai tal tap tar tas tat tca tcc tce tcg tci tcl tcp tcr tcs tct te- tea tec tee teg tei tel tep ter tes tet tga tgc tge tgg tgi tgl tgp tgr tgs tgt tia tic tie tig tii til tip tir tis tit tla tlc tle tlg tli tll tlp tlr tls tlt tpa tpc tpe tpg tpi tpl tpp tpr tps tpt