-ic a-a a-c a-i aaa aac aag aai aak aan aao ac- aca acc acg aci ack acn aco ag- aga agc agg agi agk agn ago ai- aia aic aig aii aik ain aio aka akc akg aki akk akn ako an- ana anc ang ani ank ann ano aoa aoc aog aoi aok aon aoo c-- caa cac cag cai cak can cao cca ccc ccg cci cck ccn cco cga cgc cgg cgi cgn cgo ci- cia cic cig cii cik cin cio cka ckc cki cko cn- cna cnc cng cni cnn cno co- coa coc cog coi cok con coo gaa gac gag gai gak gan gao gca gcc gcg gci gck gcn gco gga ggc ggg ggi ggn ggo gia gic gig gii gik gin gio gka gkn gko gna gnc gni gnn gno goa goc gog goi gok gon goo ia- iaa iac iag iai ian iao ica icc icg ici ick icn ico iga igc igg igi igk ign igo iia iic iii iin iio ika ikc iki ikk iko in- ina inc ing ini ink inn ino io- ioa ioc iog ioi ion ioo ka- kaa kac kag kai kak kan kao kca kcc kcg kci kck kcn kga kgc kgi kgo kia kic kig kii kik kin kio kkc kki kkk kkn kn- kna knc kng kni knk knn kno koa koc kog koi kok kon koo n-i naa nac nag nai nak nan nao nca ncc ncg nci nck ncn nco nga ngc ngg ngi ngk ngn ngo nia nic nig nii nik nin nio nka nkc nki nkk nkn nko nna nnc nng nni nnk nnn nno no- noa noc nog noi nok non noo o-i oaa oac oag oai oak oan oao oc- oca occ ocg oci ock ocn oco oga ogc ogg ogi ogn ogo oia oic oii oik oin oio oka okc okg oki okk oko on- ona onc ong oni onk onn ono oo- ooa ooc oog ooi ook oon ooo