-ic a-a a-c a-i aaa aac aae aag aai aao aap ac- aca acc ace acg aci aco acp aea aec aee aeg aei aeo aep ag- aga agc age agg agi ago agp ai- aia aic aie aig aii aio aip aoa aoc aoe aog aoi aoo aop ap- apa apc ape apg api apo app c-- caa cac cae cag cai cao cap cca ccc cce ccg cci cco ccp ce- cea cec cee ceg cei ceo cep cga cgc cge cgg cgi cgo cgp ci- cia cic cie cig cii cio cip co- coa coc coe cog coi coo cop cpa cpc cpe cpg cpi cpo cpp eaa eac eae eag eai eao eap ec- eca ecc ece ecg eci eco eea eec eee eeg eeo eep ega egc ege egg egi ego egp eia eic eie eig eii eio eip eo- eoa eoc eoe eog eoi eoo eop ep- epa epc epe epg epi epo epp g-p gaa gac gae gag gai gao gap gca gcc gce gcg gci gco gcp ge- gea gec gee geg gei geo gep gga ggc ggg ggi ggo ggp gia gic gie gig gii gio gip goa goc goe gog goi goo gop gpa gpc gpe gpg gpi gpo gpp ia- iaa iac iae iag iai iao iap ica icc ice icg ici ico icp ie- iea iec iee ieg iei iep iga igc ige igg igi igo igp iia iic iie iii iio iip io- ioa ioc ioe iog ioi ioo iop ipa ipc ipe ipg ipi ipo ipp o-i oaa oac oae oag oai oao oap oc- oca occ ocg oci oco ocp oea oec oee oeg oei oeo oep oga ogc oge ogg ogi ogo ogp oia oic oie oii oio oip oo- ooa ooc oog ooi ooo oop op- opa opc ope opg opi opo opp p-p paa pac pae pag pai pao pap pca pcc pce pcg pci pco pcp pea pec pee peg pei peo pep pga pgc pge pgg pgi pgo pgp pia pic pie pig pii pio pip poa poc poe pog poi poo pop ppa ppc ppe ppg ppi ppo ppp