-ic a-a a-c a-i aaa aac aae aag aai aak aan aas ac- aca acc ace acg aci ack acn acs aea aec aee aeg aei aek aen aes ag- aga agc age agg agi agk agn ags ai- aia aic aie aig aii aik ain ais aka akc ake akg aki akk akn aks an- ana anc ane ang ani ank ann ans as- asa asc ase asg asi ask asn ass c-- caa cac cae cag cai cak can cas cca ccc cce ccg cci cck ccn ccs ce- cea cec cee ceg cei cek cen ces cga cgc cge cgg cgi cgn cgs ci- cia cic cie cig cii cik cin cis cka ckc cki cks cn- cna cnc cne cng cni cnn cns csa csc cse csg csi csk csn css eaa eac eae eag eai eak ean eas ec- eca ecc ece ecg eci eck ecn ecs eea eec eee eeg eek een ees ega egc ege egg egi egn egs eia eic eie eig eii eik ein eis eka ekc eke ekg eki eks en- ena enc ene eng eni enk enn ens es- esa esc ese esg esi esk esn ess gaa gac gae gag gai gak gan gas gca gcc gce gcg gci gck gcn gcs ge- gea gec gee geg gei gek gen ges gga ggc ggg ggi ggn ggs gia gic gie gig gii gik gin gis gka gkn gks gna gnc gne gni gnn gns gsa gsc gse gsg gsi gsk gsn gss ia- iaa iac iae iag iai ian ias ica icc ice icg ici ick icn ics ie- iea iec iee ieg iei iek ien ies iga igc ige igg igi igk ign igs iia iic iie iii iin iis ika ikc ike iki ikk iks in- ina inc ine ing ini ink inn ins is- isa isc ise isg isi isk isn iss ka- kaa kac kae kag kai kak kan kas kca kcc kce kcg kci kck kcn kcs ke- kea kec kee keg kei kek ken kes kga kgc kgi kgs kia kic kie kig kii kik kin kis kkc kke kki kkk kkn kks kn- kna knc kne kng kni knk knn ksa ksc kse ksg ksi ksk ksn kss n-i naa nac nae nag nai nak nan nas nca ncc nce ncg nci nck ncn ncs ne- nea nec nee neg nei nek nen nes nga ngc nge ngg ngi ngk ngn ngs nia nic nie nig nii nik nin nis nka nkc nke nki nkk nkn nks nna nnc nne nng nni nnk nnn nns nsa nsc nse nsg nsi nsk nsn nss saa sac sae sag sai sak san sas sca scc sce scg sci sck scn scs se- sea sec see seg sei sek sen ses sga sgc sge sgg sgi sgk sgn sgs sia sic sie sig sii sik sin sis sk- ska skc ske skg ski skk sks sna snc sne sng sni snk snn sns ss- ssa ssc sse ssg ssi ssk ssn sss