-ic a-a a-c a-i aaa aac aae aai aao aav aax ac- aca acc ace aci aco acv acx aea aec aee aei aeo aev aex ai- aia aic aie aii aio aiv aix aoa aoc aoe aoi aoo aov aox av- ava avc ave avi avo avx ax- axa axe axi axo axv axx c-- caa cac cae cai cao cav cax cca ccc cce cci cco ccv ccx ce- cea cec cee cei ceo cev cex ci- cia cic cie cii cio civ cix co- coa coc coe coi coo cov cox cva cvc cve cvi cvo cvv cvx cxc cxi cxo cxv cxx eaa eac eae eai eao eav eax ec- eca ecc ece eci eco ecv ecx eea eec eee eeo eev eex eia eic eie eii eio eiv eix eo- eoa eoc eoe eoi eoo eva evc eve evi evo evv ex- exa exc exe exi exo exx i-v ia- iaa iac iae iai iao iav ica icc ice ici ico icv ie- iea iec iee iei iev iex iia iic iie iii iio iix io- ioa ioc ioe ioi ioo iov iva ivc ive ivi ivo ivv ivx ixc ixe ixi o-i oaa oac oae oai oao oav oax oc- oca occ oci oco ocv ocx oea oec oee oei oeo oex oia oic oie oii oio oiv oo- ooa ooc ooi ooo oov oox ov- ova ovc ove ovi ovo ovv ox- oxa oxc oxi oxo oxx v-a v-e vaa vac vae vai vao vav vax vca vcc vce vci vco vcx vea vec vee vei veo vex vi- via vic vie vii vio viv vix voa voc voe voi voo vov vox vva vvc vvi vvo vvv vxa vxv xaa xac xav xci xcv xcx xee xev xex xia xic xie xii xio xiv xix xoa xoc xoi xoo xov xox xvi xxi xxo xxv xxx