-ic c-- ccc ccd cce cch cci cck ccx cdc cdd cde cdh cdi cdk cdx ce- cec ced cee ceh cei cek cex ch- chc chd che chh chi chk chx ci- cic cid cie cih cii cik cix ckc ckd ckh cki ckx cxc cxh cxi cxk cxx dcc dcd dce dci dck dcx ddc ddd dde ddh ddi ddk ddx de- dec ded dee deh dei dek dex dh- dhc dhd dhe dhh dhi dhk di- dic did die dih dii dik dix dkc dke dki dkk dkx dxc dxd dxi dxx ec- ecc ecd ece ech eci eck ecx ed- edc edd ede edh edi edk edx eec eed eee eek eex ehc ehd ehe ehh ehi eic eid eie eii eik eix ekc ekd eke ekh eki ex- exc exd exe exh exi exx h-i hcc hcd hce hch hci hck hdc hdd hde hdh hdi hdk hdx he- hec hed hee heh hei hek hex hhc hhd hhe hhh hhi hhk hic hid hie hih hii hik hix hkd hkh hki hkk hxc hxd i-d icc icd ice ich ici ick idc idd ide idh idi idk idx ie- iec ied iee iei iek iex ihc ihd ihe ihh ihi ihk iic iid iie iih iii iix ikc ike iki ikk ikx ixc ixe ixi kcc kcd kce kch kci kck kcx kdc kde kdh kdk kdx ke- kec ked kee keh kei kek kex khe khh khi khk kic kid kie kih kii kik kix kkc kke kkh kki kkk xcd xch xci xcx xdc xde xdh xdi xdk xed xee xex xhd xic xie xii xix xke xxi xxx