-ic a-a a-c a-i aaa aac aag aai aan aao aas ac- aca acc acg aci acn aco acs ag- aga agc agg agi agn ago ags ai- aia aic aig aii ain aio ais an- ana anc ang ani ann ano ans aoa aoc aog aoi aon aoo aos as- asa asc asg asi asn aso ass c-- caa cac cag cai can cao cas cca ccc ccg cci ccn cco ccs cga cgc cgg cgi cgn cgo cgs ci- cia cic cig cii cin cio cis cn- cna cnc cng cni cnn cno cns co- coa coc cog coi con coo cos csa csc csg csi csn cso css gaa gac gag gai gan gao gas gca gcc gcg gci gcn gco gcs gga ggc ggg ggi ggn ggo ggs gia gic gig gii gin gio gis gna gnc gni gnn gno gns goa goc gog goi gon goo gos gsa gsc gsg gsi gsn gso gss ia- iaa iac iag iai ian iao ias ica icc icg ici icn ico ics iga igc igg igi ign igo igs iia iic iii iin iio iis in- ina inc ing ini inn ino ins io- ioa ioc iog ioi ion ioo ios is- isa isc isg isi isn iso iss n-i naa nac nag nai nan nao nas nca ncc ncg nci ncn nco ncs nga ngc ngg ngi ngn ngo ngs nia nic nig nii nin nio nis nna nnc nng nni nnn nno nns no- noa noc nog noi non noo nos nsa nsc nsg nsi nsn nso nss o-i oaa oac oag oai oan oao oas oc- oca occ ocg oci ocn oco ocs oga ogc ogg ogi ogn ogo ogs oia oic oii oin oio ois on- ona onc ong oni onn ono ons oo- ooa ooc oog ooi oon ooo oos os- osa osc osg osi osn oso oss saa sac sag sai san sao sas sca scc scg sci scn sco scs sga sgc sgg sgi sgn sgo sgs sia sic sig sii sin sio sis sna snc sng sni snn sno sns soa soc sog soi son soo sos ss- ssa ssc ssg ssi ssn sso sss