-ic a-a a-c a-i aaa aac aae aag aai aak aap aas ac- aca acc ace acg aci ack acp acs aea aec aee aeg aei aek aep aes ag- aga agc age agg agi agk agp ags ai- aia aic aie aig aii aik aip ais aka akc ake akg aki akk akp aks ap- apa apc ape apg api apk app aps as- asa asc ase asg asi ask asp ass c-- caa cac cae cag cai cak cap cas cca ccc cce ccg cci cck ccp ccs ce- cea cec cee ceg cei cek cep ces cga cgc cge cgg cgi cgp cgs ci- cia cic cie cig cii cik cip cis cka ckc cki cks cpa cpc cpe cpg cpi cpk cpp cps csa csc cse csg csi csk csp css eaa eac eae eag eai eak eap eas ec- eca ecc ece ecg eci eck ecs eea eec eee eeg eek eep ees ega egc ege egg egi egp egs eia eic eie eig eii eik eip eis eka ekc eke ekg eki ekp eks ep- epa epc epe epg epi epp eps es- esa esc ese esg esi esk esp ess g-p gaa gac gae gag gai gak gap gas gca gcc gce gcg gci gck gcp gcs ge- gea gec gee geg gei gek gep ges gga ggc ggg ggi ggp ggs gia gic gie gig gii gik gip gis gka gkp gks gpa gpc gpe gpg gpi gpk gpp gps gsa gsc gse gsg gsi gsk gsp gss ia- iaa iac iae iag iai iap ias ica icc ice icg ici ick icp ics ie- iea iec iee ieg iei iek iep ies iga igc ige igg igi igk igp igs iia iic iie iii iip iis ika ikc ike iki ikk iks ipa ipc ipe ipg ipi ipp ips is- isa isc ise isg isi isk isp iss ka- kaa kac kae kag kai kak kap kas kca kcc kce kcg kci kck kcp kcs ke- kea kec kee keg kei kek kep kes kga kgc kgi kgp kgs kia kic kie kig kii kik kip kis kkc kke kki kkk kkp kks kpa kpc kpe kpi kpk kpp kps ksa ksc kse ksg ksi ksk ksp kss p-p paa pac pae pag pai pak pap pas pca pcc pce pcg pci pck pcp pcs pea pec pee peg pei pek pep pes pga pgc pge pgg pgi pgk pgp pgs pia pic pie pig pii pik pip pis pka pkc pke pkg pki pkp pks ppa ppc ppe ppg ppi ppk ppp pps ps- psa psc pse psg psi psk psp pss saa sac sae sag sai sak sap sas sca scc sce scg sci sck scp scs se- sea sec see seg sei sek sep ses sga sgc sge sgg sgi sgk sgp sgs sia sic sie sig sii sik sip sis sk- ska skc ske skg ski skk skp sks spa spc spe spg spi spk spp sps ss- ssa ssc sse ssg ssi ssk ssp sss