-ic a-a a-c a-i aaa aac aae aag aai aak aas ac- aca acc ace acg aci ack acs aea aec aee aeg aei aek aes ag- aga agc age agg agi agk ags ai- aia aic aie aig aii aik ais aka akc ake akg aki akk aks as- asa asc ase asg asi ask ass c-- caa cac cae cag cai cak cas cca ccc cce ccg cci cck ccs ce- cea cec cee ceg cei cek ces cga cgc cge cgg cgi cgs ci- cia cic cie cig cii cik cis cka ckc cki cks csa csc cse csg csi csk css eaa eac eae eag eai eak eas ec- eca ecc ece ecg eci eck ecs eea eec eee eeg eek ees ega egc ege egg egi egs eia eic eie eig eii eik eis eka ekc eke ekg eki eks es- esa esc ese esg esi esk ess gaa gac gae gag gai gak gas gca gcc gce gcg gci gck gcs ge- gea gec gee geg gei gek ges gga ggc ggg ggi ggs gia gic gie gig gii gik gis gka gks gsa gsc gse gsg gsi gsk gss ia- iaa iac iae iag iai ias ica icc ice icg ici ick ics ie- iea iec iee ieg iei iek ies iga igc ige igg igi igk igs iia iic iie iii iis ika ikc ike iki ikk iks is- isa isc ise isg isi isk iss ka- kaa kac kae kag kai kak kas kca kcc kce kcg kci kck kcs ke- kea kec kee keg kei kek kes kga kgc kgi kgs kia kic kie kig kii kik kis kkc kke kki kkk kks ksa ksc kse ksg ksi ksk kss saa sac sae sag sai sak sas sca scc sce scg sci sck scs se- sea sec see seg sei sek ses sga sgc sge sgg sgi sgk sgs sia sic sie sig sii sik sis sk- ska skc ske skg ski skk sks ss- ssa ssc sse ssg ssi ssk sss