-ic a-a a-c a-i aaa aac aag aai aak aan aao aar ac- aca acc acg aci ack acn aco acr ag- aga agc agg agi agk agn ago agr ai- aia aic aig aii aik ain aio air aka akc akg aki akk akn ako akr an- ana anc ang ani ank ann ano anr aoa aoc aog aoi aok aon aoo aor ar- ara arc arg ari ark arn aro arr c-- caa cac cag cai cak can cao car cca ccc ccg cci cck ccn cco ccr cga cgc cgg cgi cgn cgo cgr ci- cia cic cig cii cik cin cio cir cka ckc cki cko cn- cna cnc cng cni cnn cno cnr co- coa coc cog coi cok con coo cor cra crc crg cri crk crn cro crr gaa gac gag gai gak gan gao gar gca gcc gcg gci gck gcn gco gcr gga ggc ggg ggi ggn ggo ggr gia gic gig gii gik gin gio gir gka gkn gko gna gnc gni gnn gno gnr goa goc gog goi gok gon goo gor gra grc grg gri grk grn gro grr ia- iaa iac iag iai ian iao iar ica icc icg ici ick icn ico icr iga igc igg igi igk ign igo igr iia iic iii iin iio iir ika ikc iki ikk iko ikr in- ina inc ing ini ink inn ino inr io- ioa ioc iog ioi ion ioo ior ir- ira irc irg iri irk irn iro irr ka- kaa kac kag kai kak kan kao kar kca kcc kcg kci kck kcn kcr kga kgc kgi kgo kia kic kig kii kik kin kio kir kkc kki kkk kkn kkr kn- kna knc kng kni knk knn kno knr koa koc kog koi kok kon koo kor kra krc krg kri krk krn kro krr n-i naa nac nag nai nak nan nao nar nca ncc ncg nci nck ncn nco ncr nga ngc ngg ngi ngk ngn ngo nia nic nig nii nik nin nio nir nka nkc nki nkk nkn nko nkr nna nnc nng nni nnk nnn nno no- noa noc nog noi nok non noo nor nra nrc nrg nri nrk nrn nro nrr o-i oaa oac oag oai oak oan oao oar oc- oca occ ocg oci ock ocn oco ocr oga ogc ogg ogi ogn ogo oia oic oii oik oin oio oir oka okc okg oki okk oko okr on- ona onc ong oni onk onn ono onr oo- ooa ooc oog ooi ook oon ooo oor or- ora orc org ori ork orn oro orr ra- raa rac rag rai rak ran rao rar rca rcc rcg rci rcn rco rcr rga rgc rgg rgi rgk rgn rgo rgr ria ric rig rii rik rin rio rir rkc rkg rkk rko rna rnc rng rni rnn rno rnr roa roc rog roi rok ron roo ror rra rrc rrg rri rrk rrn rrr