-ic a-a a-c a-i a-z aaa aac aag aai aan aao aas aaz ac- aca acc acg aci acn aco acs acz ag- aga agc agg agi agn ago ags agz ai- aia aic aig aii ain aio ais aiz an- ana anc ang ani ann ano ans anz aoa aoc aog aoi aon aoo aos as- asa asc asg asi asn aso ass asz az- aza azg azi azn azo azs azz c-- caa cac cag cai can cao cas caz cca ccc ccg cci ccn cco ccs ccz 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 coz csa csc csg csi csn cso css csz cz- czc czo gaa gac gag gai gan gao gas gaz gca gcc gcg gci gcn gco gcs gga ggc ggg ggi ggn ggo ggs ggz gia gic gig gii gin gio gis giz gna gnc gni gnn gno gns goa goc gog goi gon goo gos goz gsa gsc gsg gsi gsn gso gss gza gzo ia- iaa iac iag iai ian iao ias iaz ica icc icg ici icn ico ics icz 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 iza izi izo izz n-i naa nac nag nai nan nao nas naz nca ncc ncg nci ncn nco ncs nga ngc ngg ngi ngn ngo ngs nia nic nig nii nin nio nis niz nna nnc nng nni nnn nno nns nnz no- noa noc nog noi non noo nos noz nsa nsc nsg nsi nsn nso nss nsz nzg nzi nzo nzs nzz o-i oaa oac oag oai oan oao oas oc- oca occ ocg oci ocn oco ocs ocz oga ogc ogg ogi ogn ogo ogs oia oic oii oin oio ois oiz on- ona onc ong oni onn ono ons oo- ooa ooc oog ooi oon ooo oos os- osa osc osg osi osn oso oss oza ozo ozs ozz saa sac sag sai san sao sas saz 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 soz ss- ssa ssc ssg ssi ssn sso sss ssz sza szi z-g zaa zac zag zai zan zao zas zaz zco zcs zgg zgi zgs zia zig zin zio zis ziz znc znn zno zns zo- zoa zoc zog zoi zon zoo zos zsa zsg zsi zsz zzs zzz