-er -ic a-a a-c a-i a-z aaa aac aae aag aai aar aas aaz ac- aca acc ace acg aci acr acs acz aea aec aee aeg aei aer aes aez ag- aga agc age agg agi agr ags agz ai- aia aic aie aig aii air ais aiz ar- ara arc are arg ari arr ars arz as- asa asc ase asg asi asr ass asz az- aza aze azg azi azs azz c-- caa cac cae cag cai car cas caz cca ccc cce ccg cci ccr ccs ccz ce- cea cec cee ceg cei cer ces cez cga cgc cge cgg cgi cgr cgs ci- cia cic cie cig cii cir cis cra crc cre crg cri crr crs crz csa csc cse csg csi csr css csz cz- czc cze eaa eac eae eag eai ear eas eaz ec- eca ecc ece ecg eci ecr ecs eea eec eee eeg eer ees ega egc ege egg egi egr egs eia eic eie eig eii eir eis era erc ere erg eri err ers erz es- esa esc ese esg esi esr ess eze ezr ezs ezz gaa gac gae gag gai gar gas gaz gca gcc gce gcg gci gcr gcs ge- gea gec gee geg gei ger ges gez gga ggc ggg ggi ggr ggs ggz gia gic gie gig gii gir gis giz gra grc gre grg gri grr grs gsa gsc gse gsg gsi gsr gss gza gzr ia- iaa iac iae iag iai iar ias iaz ica icc ice icg ici icr ics icz ie- iea iec iee ieg iei ier ies iga igc ige igg igi igr igs iia iic iie iii iir iis ir- ira irc ire irg iri irr irs is- isa isc ise isg isi isr iss iza ize izi izz ra- raa rac rae rag rai rar ras raz rca rcc rce rcg rci rcr rcs re- rea rec ree reg rei rer res rez rga rgc rge rgg rgi rgr rgs ria ric rie rig rii rir ris riz rra rrc rrg rri rrr rrs rsa rsc rse rsg rsi rsr rss rza rze saa sac sae sag sai sar sas saz sca scc sce scg sci scr scs se- sea sec see seg sei ser ses sez sga sgc sge sgg sgi sgr sgs sia sic sie sig sii sir sis sr- sra src sre srg sri srr srs ss- ssa ssc sse ssg ssi ssr sss ssz sza sze szi szr z-g zaa zac zag zai zar zas zaz zce zcs zea zec zee zer zes zez zgg zgi zgs zia zie zig zir zis ziz zrs zsa zse zsg zsi zsz zzr zzs zzz