-ic c-- ccc ccd cci cck cco ccs cct cdc cdd cdi cdk cdo cds cdt ci- cic cid cii cik cio cis cit ckc ckd cki cko cks ckt co- coc cod coi cok coo cos cot csc csd csi csk cso css cst ctc ctd cti ctk cto cts ctt dcc dcd dci dck dco dcs dct ddc ddd ddi ddk ddo dds ddt di- dic did dii dik dio dis dit dkc dki dkk dko dks dkt doc dod doi dok doo dos dot dsc dsd dsi dsk dso dss dst dtc dtd dti dtk dto dts dtt i-d icc icd ici ick ico ics ict idc idd idi idk ido ids idt iic iid iii iio iis iit ikc iki ikk iko iks ikt io- ioc iod ioi ioo ios iot is- isc isd isi isk iso iss ist itc itd iti itk ito its itt k-t kcc kcd kci kck kcs kct kdc kdk kdo kds kdt kic kid kii kik kio kis kit kkc kki kkk kks kkt koc kod koi kok koo kos kot ksc ksd ksi ksk kso kss kst ktc ktk kto kts ktt o-i oc- occ ocd oci ock oco ocs oct odc odd odi odo ods odt oic oid oii oik oio ois oit okc okd oki okk oko oks oo- ooc ood ooi ook ooo oos oot os- osc osd osi osk oso oss ost ot- otc otd oti otk oto ots ott scc scd sci sck sco scs sct sdc sdd sdi sdk sdo sds sdt sic sid sii sik sio sis sit sk- skc skd ski skk sko sks skt soc sod soi sok soo sos sot ss- ssc ssd ssi ssk sso sss sst stc std sti stk sto sts stt tcc tcd tci tck tco tcs tct tdc tdd tdi tdk tdo tds tdt tic tid tii tik tio tis tit tkc tkk tko tks tkt to- toc tod toi tok too tos tot tsc tsd tsi tsk tso tss tst ttc ttd tti ttk tto tts ttt