-ic a-a a-c a-i aaa aac aag aai aak ac- aca acc acg aci ack ag- aga agc agg agi agk ai- aia aic aig aii aik aka akc akg aki akk c-- caa cac cag cai cak cca ccc ccg cci cck cga cgc cgg cgi ci- cia cic cig cii cik cka ckc cki gaa gac gag gai gak gca gcc gcg gci gck gga ggc ggg ggi gia gic gig gii gik gka ia- iaa iac iag iai ica icc icg ici ick iga igc igg igi igk iia iic iii ika ikc iki ikk ka- kaa kac kag kai kak kca kcc kcg kci kck kga kgc kgi kia kic kig kii kik kkc kki kkk