-ic a-a a-c a-i aaa aac aae aag aai aan aap aas ac- aca acc ace acg aci acn acp acs aea aec aee aeg aei aen aep aes ag- aga agc age agg agi agn agp ags ai- aia aic aie aig aii ain aip ais an- ana anc ane ang ani ann anp ans ap- apa apc ape apg api apn app aps as- asa asc ase asg asi asn asp ass c-- caa cac cae cag cai can cap cas cca ccc cce ccg cci ccn ccp ccs ce- cea cec cee ceg cei cen cep ces cga cgc cge cgg cgi cgn cgp cgs ci- cia cic cie cig cii cin cip cis cn- cna cnc cne cng cni cnn cnp cns cpa cpc cpe cpg cpi cpn cpp cps csa csc cse csg csi csn csp css eaa eac eae eag eai ean eap eas ec- eca ecc ece ecg eci ecn ecs eea eec eee eeg een eep ees ega egc ege egg egi egn egp egs eia eic eie eig eii ein eip eis en- ena enc ene eng eni enn enp ens ep- epa epc epe epg epi epn epp eps es- esa esc ese esg esi esn esp ess g-p gaa gac gae gag gai gan gap gas gca gcc gce gcg gci gcn gcp gcs ge- gea gec gee geg gei gen gep ges gga ggc ggg ggi ggn ggp ggs gia gic gie gig gii gin gip gis gna gnc gne gni gnn gnp gns gpa gpc gpe gpg gpi gpn gpp gps gsa gsc gse gsg gsi gsn gsp gss ia- iaa iac iae iag iai ian iap ias ica icc ice icg ici icn icp ics ie- iea iec iee ieg iei ien iep ies iga igc ige igg igi ign igp igs iia iic iie iii iin iip iis in- ina inc ine ing ini inn inp ins ipa ipc ipe ipg ipi ipn ipp ips is- isa isc ise isg isi isn isp iss n-i naa nac nae nag nai nan nap nas nca ncc nce ncg nci ncn ncp ncs ne- nea nec nee neg nei nen nep nes nga ngc nge ngg ngi ngn ngp ngs nia nic nie nig nii nin nip nis nna nnc nne nng nni nnn nnp nns npa npc npe npg npi npn npp nps nsa nsc nse nsg nsi nsn nsp nss p-p paa pac pae pag pai pan pap pas pca pcc pce pcg pci pcn pcp pcs pea pec pee peg pei pen pep pes pga pgc pge pgg pgi pgn pgp pgs pia pic pie pig pii pin pip pis pn- pna pnc pne png pni pnn pnp pns ppa ppc ppe ppg ppi ppn ppp pps ps- psa psc pse psg psi psn psp pss saa sac sae sag sai san sap sas sca scc sce scg sci scn scp scs se- sea sec see seg sei sen sep ses sga sgc sge sgg sgi sgn sgp sgs sia sic sie sig sii sin sip sis sna snc sne sng sni snn snp sns spa spc spe spg spi spn spp sps ss- ssa ssc sse ssg ssi ssn ssp sss