-ic a-a a-c a-i aaa aac aad aae aag aai aan aap ac- aca acc acd ace acg aci acn acp ad- ada adc add ade adg adi adn adp aea aec aed aee aeg aei aen aep ag- aga agc agd age agg agi agn agp ai- aia aic aid aie aig aii ain aip an- ana anc and ane ang ani ann anp ap- apa apc apd ape apg api apn app c-- caa cac cad cae cag cai can cap cca ccc ccd cce ccg cci ccn ccp cda cdc cdd cde cdg cdi cdn cdp ce- cea cec ced cee ceg cei cen cep cga cgc cgd cge cgg cgi cgn cgp ci- cia cic cid cie cig cii cin cip cn- cna cnc cnd cne cng cni cnn cnp cpa cpc cpd cpe cpg cpi cpn cpp daa dac dad dae dag dai dan dap dca dcc dcd dce dcg dci dcn dcp dda ddc ddd dde ddg ddi ddn ddp de- dea dec ded dee deg dei den dep dga dgc dgd dge dgg dgi dgn dgp di- dia dic did die dig dii din dip dna dnc dnd dne dng dni dnn dnp dpa dpc dpd dpe dpg dpi dpn dpp eaa eac ead eae eag eai ean eap ec- eca ecc ecd ece ecg eci ecn ed- eda edc edd ede edg edi edn edp eea eec eed eee eeg een eep ega egc egd ege egg egi egn egp eia eic eid eie eig eii ein eip en- ena enc end ene eng eni enn enp ep- epa epc epd epe epg epi epn epp g-d g-p gaa gac gad gae gag gai gan gap gca gcc gcd gce gcg gci gcn gcp gda gdc gdd gde gdi gdn gdp ge- gea gec ged gee geg gei gen gep gga ggc ggd ggg ggi ggn ggp gia gic gid gie gig gii gin gip gna gnc gnd gne gni gnn gnp gpa gpc gpd gpe gpg gpi gpn gpp i-d ia- iaa iac iad iae iag iai ian iap ica icc icd ice icg ici icn icp ida idc idd ide idg idi idn idp ie- iea iec ied iee ieg iei ien iep iga igc igd ige igg igi ign igp iia iic iid iie iii iin iip in- ina inc ind ine ing ini inn inp ipa ipc ipd ipe ipg ipi ipn ipp n-i naa nac nad nae nag nai nan nap nca ncc ncd nce ncg nci ncn ncp nda ndc ndd nde ndg ndi ndn ndp ne- nea nec ned nee neg nei nen nep nga ngc ngd nge ngg ngi ngn ngp nia nic nid nie nig nii nin nip nna nnc nne nng nni nnn nnp npa npc npd npe npg npi npn npp p-p paa pac pad pae pag pai pan pap pca pcc pcd pce pcg pci pcn pcp pda pdc pdd pde pdg pdi pdn pdp pea pec ped pee peg pei pen pep pga pgc pgd pge pgg pgi pgn pgp pia pic pid pie pig pii pin pip pn- pna pnc pnd pne png pni pnn pnp ppa ppc ppd ppe ppg ppi ppn ppp