-ic c-- ccc cce ccf cci cck cct ce- cec cee cef cei cek cet cfc cfe cff cfi cfk cft ci- cic cie cif cii cik cit ckc cki ckt ctc cte ctf cti ctk ctt ec- ecc ece ecf eci eck ect eec eee eef eek eet ef- efc efe eff efi eft eic eie eif eii eik eit ekc eke ekf eki ekt etc ete etf eti etk ett fcc fce fcf fci fck fct fec fee fef fei fek fet ffc ffe fff ffi ffk fft fic fie fif fii fik fit fkc fkf fki fkk fkt ftc fte ftf fti ftk ftt i-f icc ice icf ici ick ict ie- iec iee ief iei iek iet ifc ife iff ifi ift iic iie iif iii iit ikc ike ikf iki ikk ikt itc ite itf iti itk itt k-t kcc kce kci kck kct ke- kec kee kef kei kek ket kfc kff kfi kic kie kif kii kik kit kkc kke kki kkk kkt ktc kte ktf ktk ktt tcc tce tcf tci tck tct te- tec tee tef tei tek tet tfc tfe tff tfi tfk tft tic tie tif tii tik tit tkc tke tkk tkt ttc tte ttf tti ttk ttt