-ic c-- ccc cce cci cck cco ccs cct ce- cec cee cei cek ceo ces cet ci- cic cie cii cik cio cis cit ckc cki cko cks ckt co- coc coe coi cok coo cos cot csc cse csi csk cso css cst ctc cte cti ctk cto cts ctt ec- ecc ece eci eck eco ecs ect eec eee eek eeo ees eet eic eie eii eik eio eis eit ekc eke eki eko eks ekt eo- eoc eoe eoi eok eoo eos eot es- esc ese esi esk eso ess est etc ete eti etk eto ets ett icc ice ici ick ico ics ict ie- iec iee iei iek ies iet iic iie iii iio iis iit ikc ike iki ikk iko iks ikt io- ioc ioe ioi ioo ios iot is- isc ise isi isk iso iss ist itc ite iti itk ito its itt k-t kcc kce kci kck kcs kct ke- kec kee kei kek keo kes ket kic kie kii kik kio kis kit kkc kke kki kkk kks kkt koc koe koi kok koo kos kot ksc kse ksi ksk kso kss kst ktc kte ktk kto kts ktt o-i oc- occ oci ock oco ocs oct oec oee oei oeo oes oet oic oie oii oik oio ois oit okc oke oki okk oko oks oo- ooc ooi ook ooo oos oot os- osc ose osi osk oso oss ost ot- otc ote oti otk oto ots ott scc sce sci sck sco scs sct se- sec see sei sek seo ses set sic sie sii sik sio sis sit sk- skc ske ski skk sko sks skt soc soe soi sok soo sos sot ss- ssc sse ssi ssk sso sss sst stc ste sti stk sto sts stt tcc tce tci tck tco tcs tct te- tec tee tei tek teo tes tet tic tie tii tik tio tis tit tkc tke tkk tko tks tkt to- toc toe toi tok too tos tot tsc tse tsi tsk tso tss tst ttc tte tti ttk tto tts ttt