-ic a-a a-c a-i aaa aac aai aas aav aax ac- aca acc aci acs acv acx ai- aia aic aii ais aiv aix as- asa asc asi ass asv asx av- ava avc avi avs avx ax- axa axi axs axv axx c-- caa cac cai cas cav cax cca ccc cci ccs ccv ccx ci- cia cic cii cis civ cix csa csc csi css csv csx cva cvc cvi cvs cvv cvx cxc cxi cxs cxv cxx i-v ia- iaa iac iai ias iav ica icc ici ics icv iia iic iii iis iix is- isa isc isi iss isv iva ivc ivi ivs ivv ivx ixc ixi saa sac sai sas sav sax sca scc sci scs scv scx sia sic sii sis siv six ss- ssa ssc ssi sss ssv ssx sva svc svi svs svv svx sxc sxi sxs v-a vaa vac vai vas vav vax vca vcc vci vcs vcx vi- via vic vii vis viv vix vsa vsc vsi vss vsv vva vvc vvi vvs vvv vxa vxs vxv xaa xac xas xav xci xcv xcx xia xic xii xis xiv xix xsa xsc xsi xss xvi xxi xxv xxx