-ic a-a a-c a-i aaa aac aae aai aas aav aax ac- aca acc ace aci acs acv acx aea aec aee aei aes aev aex ai- aia aic aie aii ais aiv aix as- asa asc ase asi ass asv asx av- ava avc ave avi avs avx ax- axa axe axi axs axv axx c-- caa cac cae cai cas cav cax cca ccc cce cci ccs ccv ccx ce- cea cec cee cei ces cev cex ci- cia cic cie cii cis civ cix csa csc cse csi css csv csx cva cvc cve cvi cvs cvv cvx cxc cxi cxs cxv cxx eaa eac eae eai eas eav eax ec- eca ecc ece eci ecs ecv ecx eea eec eee ees eev eex eia eic eie eii eis eiv eix es- esa esc ese esi ess esv esx eva evc eve evi evs evv ex- exa exc exe exi exs exx i-v ia- iaa iac iae iai ias iav ica icc ice ici ics icv ie- iea iec iee iei ies iev iex iia iic iie iii iis iix is- isa isc ise isi iss isv iva ivc ive ivi ivs ivv ivx ixc ixe ixi saa sac sae sai sas sav sax sca scc sce sci scs scv scx se- sea sec see sei ses sev sex sia sic sie sii sis siv six ss- ssa ssc sse ssi sss ssv ssx sva svc sve svi svs svv svx sxc sxi sxs v-a v-e vaa vac vae vai vas vav vax vca vcc vce vci vcs vcx vea vec vee vei ves vex vi- via vic vie vii vis viv vix vsa vsc vse vsi vss vsv vva vvc vvi vvs vvv vxa vxs vxv xaa xac xas xav xci xcv xcx xee xes xev xex xia xic xie xii xis xiv xix xsa xsc xsi xss xvi xxi xxv xxx