-ic a-a a-c a-i aaa aac aae aag aai aan aao aas aax ac- aca acc ace acg aci acn aco acs acx aea aec aee aeg aei aen aeo aes aex ag- aga agc age agg agi agn ago ags agx ai- aia aic aie aig aii ain aio ais aix an- ana anc ane ang ani ann ano ans anx aoa aoc aoe aog aoi aon aoo aos aox as- asa asc ase asg asi asn aso ass asx ax- axa axe axi axn axo axs axx c-- caa cac cae cag cai can cao cas cax cca ccc cce ccg cci ccn cco ccs ccx ce- cea cec cee ceg cei cen ceo ces cex cga cgc cge cgg cgi cgn cgo cgs ci- cia cic cie cig cii cin cio cis cix cn- cna cnc cne cng cni cnn cno cns cnx co- coa coc coe cog coi con coo cos cox csa csc cse csg csi csn cso css csx cxc cxi cxo cxs cxx eaa eac eae eag eai ean eao eas eax ec- eca ecc ece ecg eci ecn eco ecs ecx eea eec eee eeg een eeo ees eex ega egc ege egg egi egn ego egs egx eia eic eie eig eii ein eio eis eix en- ena enc ene eng eni enn eno ens eo- eoa eoc eoe eog eoi eon eoo eos es- esa esc ese esg esi esn eso ess esx ex- exa exc exe exi exo exs exx gaa gac gae gag gai gan gao gas gca gcc gce gcg gci gcn gco gcs ge- gea gec gee geg gei gen geo ges gex gga ggc ggg ggi ggn ggo ggs gia gic gie gig gii gin gio gis gna gnc gne gni gnn gno gns goa goc goe gog goi gon goo gos gox gsa gsc gse gsg gsi gsn gso gss gsx gxa gxs ia- iaa iac iae iag iai ian iao ias ica icc ice icg ici icn ico ics ie- iea iec iee ieg iei ien ies iex iga igc ige igg igi ign igo igs iia iic iie iii iin iio iis iix in- ina inc ine ing ini inn ino ins inx io- ioa ioc ioe iog ioi ion ioo ios is- isa isc ise isg isi isn iso iss ixc ixe ixi ixn n-i naa nac nae nag nai nan nao nas nax nca ncc nce ncg nci ncn nco ncs ncx ne- nea nec nee neg nei nen neo nes nex nga ngc nge ngg ngi ngn ngo ngs nia nic nie nig nii nin nio nis nix nna nnc nne nng nni nnn nno nns no- noa noc noe nog noi non noo nos nox nsa nsc nse nsg nsi nsn nso nss nsx nxc o-i oaa oac oae oag oai oan oao oas oax oc- oca occ ocg oci ocn oco ocs ocx oea oec oee oeg oei oen oeo oes oex oga ogc oge ogg ogi ogn ogo ogs ogx oia oic oie oii oin oio ois on- ona onc one ong oni onn ono ons onx oo- ooa ooc oog ooi oon ooo oos oox os- osa osc ose osg osi osn oso oss osx ox- oxa oxc oxi oxn oxo oxx saa sac sae sag sai san sao sas sax sca scc sce scg sci scn sco scs scx se- sea sec see seg sei sen seo ses sex sga sgc sge sgg sgi sgn sgo sgs sgx sia sic sie sig sii sin sio sis six sna snc sne sng sni snn sno sns soa soc soe sog soi son soo sos sox ss- ssa ssc sse ssg ssi ssn sso sss ssx sxc sxi sxn sxs xaa xac xag xan xas xci xcx xee xeg xen xes xex xge xgi xia xic xie xii xin xio xis xix xna xnc xno xns xoa xoc xog xoi xon xoo xos xox xsa xsc xsi xss xxi xxo xxx