-ey -ic c-- ccc ccd cce cci cck cct cdc cdd cde cdi cdk cdt cdy ce- cec ced cee cei cek cet cey ci- cic cid cie cii cik cit ckc ckd cki ckt cky ctc ctd cte cti ctk ctt cty cyc cyd cye cyk cyt dcc dcd dce dci dck dct ddc ddd dde ddi ddk ddt ddy de- dec ded dee dei dek det dey di- dic did die dii dik dit diy dkc dke dki dkk dkt dtc dtd dte dti dtk dtt dty dy- dyc dyd dye dyk dyy ec- ecc ecd ece eci eck ect ed- edc edd ede edi edk edt edy eec eed eee eek eet eey eic eid eie eii eik eit ekc ekd eke eki ekt eky etc etd ete eti etk ett ety eyc eyd eye eyt i-d icc icd ice ici ick ict icy idc idd ide idi idk idt idy ie- iec ied iee iei iek iet iey iic iid iie iii iit ikc ike iki ikk ikt itc itd ite iti itk itt ity iyc iye iyt iyy k-t kcc kcd kce kci kck kct kdc kde kdk kdt kdy ke- kec ked kee kei kek ket key kic kid kie kii kik kit kkc kke kki kkk kkt kky ktc kte ktk ktt kyc kyd kye kyt tcc tcd tce tci tck tct tdc tdd tde tdi tdk tdt tdy te- tec ted tee tei tek tet tey tic tid tie tii tik tit tiy tkc tke tkk tkt tky ttc ttd tte tti ttk ttt tty tyc tyd tye tyt ycc ycd yce yci ycy yde ydt ydy yec yed yee yei yek yet yey yid yie yii yit yki ykk ytc ytd yte ytk ytt yyc yye yyt yyy