-ic a-a a-c a-i aaa aac aag aai aan aao aar ac- aca acc acg aci acn aco acr ag- aga agc agg agi agn ago agr ai- aia aic aig aii ain aio air an- ana anc ang ani ann ano anr aoa aoc aog aoi aon aoo aor ar- ara arc arg ari arn aro arr c-- caa cac cag cai can cao car cca ccc ccg cci ccn cco ccr cga cgc cgg cgi cgn cgo cgr ci- cia cic cig cii cin cio cir cn- cna cnc cng cni cnn cno cnr co- coa coc cog coi con coo cor cra crc crg cri crn cro crr gaa gac gag gai gan gao gar gca gcc gcg gci gcn gco gcr gga ggc ggg ggi ggn ggo ggr gia gic gig gii gin gio gir gna gnc gni gnn gno gnr goa goc gog goi gon goo gor gra grc grg gri grn gro grr ia- iaa iac iag iai ian iao iar ica icc icg ici icn ico icr iga igc igg igi ign igo igr iia iic iii iin iio iir in- ina inc ing ini inn ino inr io- ioa ioc iog ioi ion ioo ior ir- ira irc irg iri irn iro irr n-i naa nac nag nai nan nao nar nca ncc ncg nci ncn nco ncr nga ngc ngg ngi ngn ngo nia nic nig nii nin nio nir nna nnc nng nni nnn nno no- noa noc nog noi non noo nor nra nrc nrg nri nrn nro nrr o-i oaa oac oag oai oan oao oar oc- oca occ ocg oci ocn oco ocr oga ogc ogg ogi ogn ogo oia oic oii oin oio oir on- ona onc ong oni onn ono onr oo- ooa ooc oog ooi oon ooo oor or- ora orc org ori orn oro orr ra- raa rac rag rai ran rao rar rca rcc rcg rci rcn rco rcr rga rgc rgg rgi rgn rgo rgr ria ric rig rii rin rio rir rna rnc rng rni rnn rno rnr roa roc rog roi ron roo ror rra rrc rrg rri rrn rrr