-ic a-a a-c a-i aaa aac aad aae aag aai aap ac- aca acc acd ace acg aci acp ad- ada adc add ade adg adi adp aea aec aed aee aeg aei aep ag- aga agc agd age agg agi agp ai- aia aic aid aie aig aii aip ap- apa apc apd ape apg api app c-- caa cac cad cae cag cai cap cca ccc ccd cce ccg cci ccp cda cdc cdd cde cdg cdi cdp ce- cea cec ced cee ceg cei cep cga cgc cgd cge cgg cgi cgp ci- cia cic cid cie cig cii cip cpa cpc cpd cpe cpg cpi cpp daa dac dad dae dag dai dap dca dcc dcd dce dcg dci dcp dda ddc ddd dde ddg ddi ddp de- dea dec ded dee deg dei dep dga dgc dgd dge dgg dgi dgp di- dia dic did die dig dii dip dpa dpc dpd dpe dpg dpi dpp eaa eac ead eae eag eai eap ec- eca ecc ecd ece ecg eci ed- eda edc edd ede edg edi edp eea eec eed eee eeg eep ega egc egd ege egg egi egp eia eic eid eie eig eii eip ep- epa epc epd epe epg epi epp g-d g-p gaa gac gad gae gag gai gap gca gcc gcd gce gcg gci gcp gda gdc gdd gde gdi gdp ge- gea gec ged gee geg gei gep gga ggc ggd ggg ggi ggp gia gic gid gie gig gii gip gpa gpc gpd gpe gpg gpi gpp i-d ia- iaa iac iad iae iag iai iap ica icc icd ice icg ici icp ida idc idd ide idg idi idp ie- iea iec ied iee ieg iei iep iga igc igd ige igg igi igp iia iic iid iie iii iip ipa ipc ipd ipe ipg ipi ipp p-p paa pac pad pae pag pai pap pca pcc pcd pce pcg pci pcp pda pdc pdd pde pdg pdi pdp pea pec ped pee peg pei pep pga pgc pgd pge pgg pgi pgp pia pic pid pie pig pii pip ppa ppc ppd ppe ppg ppi ppp