-al -er -ic a-a a-c a-i aaa aac aae aag aai aal aap aar aas ac- aca acc ace acg aci acl acp acr acs aea aec aee aeg aei ael aep aer aes ag- aga agc age agg agi agl agp agr ags ai- aia aic aie aig aii ail aip air ais al- ala alc ale alg ali all alp alr als ap- apa apc ape apg api apl app apr aps ar- ara arc are arg ari arl arp arr ars as- asa asc ase asg asi asl asp asr ass c-- caa cac cae cag cai cal cap car cas cca ccc cce ccg cci ccl ccp ccr ccs ce- cea cec cee ceg cei cel cep cer ces cga cgc cge cgg cgi cgl cgp cgr cgs ci- cia cic cie cig cii cil cip cir cis cl- cla clc cle clg cli cll clp clr cls cpa cpc cpe cpg cpi cpl cpp cpr cps cra crc cre crg cri crl crp crr crs csa csc cse csg csi csl csp csr css eaa eac eae eag eai eal eap ear eas ec- eca ecc ece ecg eci ecl ecr ecs eea eec eee eeg eel eep eer ees ega egc ege egg egi egl egp egr egs eia eic eie eig eii eil eip eir eis ela elc ele elg eli ell elp elr els ep- epa epc epe epg epi epl epp epr eps era erc ere erg eri erl erp err ers es- esa esc ese esg esi esl esp esr ess g-p gaa gac gae gag gai gal gap gar gas gca gcc gce gcg gci gcl gcp gcr gcs ge- gea gec gee geg gei gel gep ger ges gga ggc ggg ggi ggp ggr ggs gia gic gie gig gii gil gip gir gis gla glc gle glg gli gll glp glr gls gpa gpc gpe gpg gpi gpl gpp gpr gps gra grc gre grg gri grl grp grr grs gsa gsc gse gsg gsi gsl gsp gsr gss ia- iaa iac iae iag iai ial iap iar ias ica icc ice icg ici icl icp icr ics ie- iea iec iee ieg iei iel iep ier ies iga igc ige igg igi igl igp igr igs iia iic iie iii iil iip iir iis il- ila ilc ile ilg ili ill ilp ilr ils ipa ipc ipe ipg ipi ipl ipp ipr ips ir- ira irc ire irg iri irl irp irr irs is- isa isc ise isg isi isl isp isr iss l-p la- laa lac lae lag lai lal lap lar las lca lcc lce lcg lci lcl lcp lcr lcs lea lec lee leg lei lel lep ler les lga lgc lge lgg lgi lgl lgp lgr lgs lia lic lie lig lii lil lip lir lis lla llc lle llg lli lll llp llr lls lpa lpc lpe lpg lpi lpl lpp lpr lps lra lrc lrg lri lrp lrr lrs lsa lsc lse lsg lsi lsl lsp lsr lss p-p paa pac pae pag pai pal pap par pas pca pcc pce pcg pci pcl pcp pcr pcs pea pec pee peg pei pel pep per pes pga pgc pge pgg pgi pgl pgp pgr pgs pia pic pie pig pii pil pip pir pis pla plc ple plg pli pll plp plr pls ppa ppc ppe ppg ppi ppl ppp ppr pps pra prc pre prg pri prl prp prr prs ps- psa psc pse psg psi psl psp psr pss ra- raa rac rae rag rai ral rap rar ras rca rcc rce rcg rci rcl rcp rcr rcs re- rea rec ree reg rei rel rep rer res rga rgc rge rgg rgi rgp rgr rgs ria ric rie rig rii ril rip rir ris rla rlc rle rlg rli rll rlp rlr rls rpa rpc rpe rpg rpi rpl rpp rpr rps rra rrc rrg rri rrl rrp rrr rrs rsa rsc rse rsg rsi rsl rsp rsr rss saa sac sae sag sai sal sap sar sas sca scc sce scg sci scl scp scr scs se- sea sec see seg sei sel sep ser ses sga sgc sge sgg sgi sgl sgp sgr sgs sia sic sie sig sii sil sip sir sis sla slc sle slg sli sll slp slr sls spa spc spe spg spi spl spp spr sps sr- sra src sre srg sri srl srp srr srs ss- ssa ssc sse ssg ssi ssl ssp ssr sss