-ic c-- ccc cce ccf cci cck cco cct ce- cec cee cef cei cek ceo cet cfc cfe cff cfi cfk cfo cft ci- cic cie cif cii cik cio cit ckc cki cko ckt co- coc coe cof coi cok coo cot ctc cte ctf cti ctk cto ctt ec- ecc ece ecf eci eck eco ect eec eee eef eek eeo eet ef- efc efe eff efi efo eft eic eie eif eii eik eio eit ekc eke ekf eki eko ekt eo- eoc eoe eof eoi eok eoo eot etc ete etf eti etk eto ett fcc fce fcf fci fck fco fct fec fee fef fei fek feo fet ffc ffe fff ffi ffk ffo fft fic fie fif fii fik fit fkc fkf fki fkk fkt foc foe fof foi fok foo fot ftc fte ftf fti ftk fto ftt i-f icc ice icf ici ick ico ict ie- iec iee ief iei iek iet ifc ife iff ifi ifo ift iic iie iif iii iio iit ikc ike ikf iki ikk iko ikt io- ioc ioe iof ioi ioo iot itc ite itf iti itk ito itt k-t kcc kce kci kck kct ke- kec kee kef kei kek keo ket kfc kff kfi kfo kic kie kif kii kik kio kit kkc kke kki kkk kkt koc koe kof koi kok koo kot ktc kte ktf ktk kto ktt o-i oc- occ ocf oci ock oco oct oec oee oef oei oeo oet of- ofc ofe off ofi ofo oft oic oie oif oii oik oio oit okc oke oki okk oko oo- ooc oof ooi ook ooo oot ot- otc ote otf oti otk oto ott tcc tce tcf tci tck tco tct te- tec tee tef tei tek teo tet tfc tfe tff tfi tfk tfo tft tic tie tif tii tik tio tit tkc tke tkk tko tkt to- toc toe tof toi tok too tot ttc tte ttf tti ttk tto ttt