-ic c-- ccc cce cci cck cco cct ce- cec cee cei cek ceo cet ci- cic cie cii cik cio cit ckc cki cko ckt co- coc coe coi cok coo cot ctc cte cti ctk cto ctt ec- ecc ece eci eck eco ect eec eee eek eeo eet eic eie eii eik eio eit ekc eke eki eko ekt eo- eoc eoe eoi eok eoo eot etc ete eti etk eto ett icc ice ici ick ico ict ie- iec iee iei iek iet iic iie iii iio iit ikc ike iki ikk iko ikt io- ioc ioe ioi ioo iot itc ite iti itk ito itt k-t kcc kce kci kck kct ke- kec kee kei kek keo ket kic kie kii kik kio kit kkc kke kki kkk kkt koc koe koi kok koo kot ktc kte ktk kto ktt o-i oc- occ oci ock oco oct oec oee oei oeo oet oic oie oii oik oio oit okc oke oki okk oko oo- ooc ooi ook ooo oot ot- otc ote oti otk oto ott tcc tce tci tck tco tct te- tec tee tei tek teo tet tic tie tii tik tio tit tkc tke tkk tko tkt to- toc toe toi tok too tot ttc tte tti ttk tto ttt