-ic c-- ccc cce cci cck cct ccx ce- cec cee cei cek cet cex ci- cic cie cii cik cit cix ckc cki ckt ckx ctc cte cti ctk ctt ctx cxc cxi cxk cxt cxx ec- ecc ece eci eck ect ecx eec eee eek eet eex eic eie eii eik eit eix ekc eke eki ekt etc ete eti etk ett etx ex- exc exe exi ext exx icc ice ici ick ict ie- iec iee iei iek iet iex iic iie iii iit iix ikc ike iki ikk ikt ikx itc ite iti itk itt itx ixc ixe ixi k-t kcc kce kci kck kct kcx ke- kec kee kei kek ket kex kic kie kii kik kit kix kkc kke kki kkk kkt ktc kte ktk ktt t-x tcc tce tci tck tct tcx te- tec tee tei tek tet tex tic tie tii tik tit tix tkc tke tkk tkt ttc tte tti ttk ttt ttx txe txi txk txt xci xcx xee xet xex xic xie xii xit xix xke xtc xti xtx xxi xxx