-ic c-- ccc ccd cce cci ccm cco ccx cdc cdd cde cdi cdm cdo cdx ce- cec ced cee cei cem ceo cex ci- cic cid cie cii cim cio cix cmc cmd cme cmi cmm cmo cmx co- coc cod coe coi com coo cox cxc cxi cxo cxx dcc dcd dce dci dcm dco dcx ddc ddd dde ddi ddm ddo ddx de- dec ded dee dei dem deo dex di- dic did die dii dim dio dix dmc dmd dme dmi dmm dmo dmx doc dod doe doi dom doo dox dxc dxd dxi dxo dxx ec- ecc ecd ece eci ecm eco ecx ed- edc edd ede edi edm edo edx eec eed eee eem eeo eex eic eid eie eii eim eio eix em- emc emd eme emi emm emo emx eo- eoc eod eoe eoi eom eoo ex- exc exd exe exi exo exx i-d icc icd ice ici icm ico idc idd ide idi idm ido idx ie- iec ied iee iei iem iex iic iid iie iii iim iio iix im- imc imd ime imi imm imo imx io- ioc iod ioe ioi iom ioo ixc ixe ixi m-o mc- mcc mcd mce mci mcm mco mcx mdc mdd mde mdi mdm mdo mdx mec med mee mei mem meo mex mi- mic mid mie mii mim mio mix mmc mmd mme mmi mmm mmo mmx moc mod moe moi mom moo mox mxc mxd mxi o-i oc- occ ocd oci ocm oco ocx odc odd ode odi odm odo oec oed oee oei oem oeo oex oic oid oie oii oim oio om- omc omd ome omi omm omo omx oo- ooc ood ooi oom ooo oox ox- oxc oxi oxo oxx xcd xci xcx xdc xde xdi xdm xed xee xem xex xic xie xii xio xix xmc xmd xmi xmm xmo xmx xoc xod xoi xom xoo xox xxi xxo xxx