-ic c-- ccc cci cck ccn cco ccs cct ci- cic cii cik cin cio cis cit ckc cki cko cks ckt cn- cnc cni cnn cno cns cnt co- coc coi cok con coo cos cot csc csi csk csn cso css cst ctc cti ctk ctn cto cts ctt icc ici ick icn ico ics ict iic iii iin iio iis iit ikc iki ikk iko iks ikt in- inc ini ink inn ino ins int io- ioc ioi ion ioo ios iot is- isc isi isk isn iso iss ist itc iti itk itn ito its itt k-t kcc kci kck kcn kcs kct kic kii kik kin kio kis kit kkc kki kkk kkn kks kkt kn- knc kni knk knn kno knt koc koi kok kon koo kos kot ksc ksi ksk ksn kso kss kst ktc ktk ktn kto kts ktt n-i ncc nci nck ncn nco ncs nct nic nii nik nin nio nis nit nkc nki nkk nkn nko nks nkt nnc nni nnk nnn nno nns nnt no- noc noi nok non noo nos not nsc nsi nsk nsn nso nss nst ntc nti ntk ntn nto nts ntt o-i oc- occ oci ock ocn oco ocs oct oic oii oik oin oio ois oit okc oki okk oko oks on- onc oni onk onn ono ons ont oo- ooc ooi ook oon ooo oos oot os- osc osi osk osn oso oss ost ot- otc oti otk otn oto ots ott scc sci sck scn sco scs sct sic sii sik sin sio sis sit sk- skc ski skk sko sks skt snc sni snk snn sno sns snt soc soi sok son soo sos sot ss- ssc ssi ssk ssn sso sss sst stc sti stk stn sto sts stt tcc tci tck tcn tco tcs tct tic tii tik tin tio tis tit tkc tkk tko tks tkt tnc tni tnk tnn tno tns tnt to- toc toi tok ton too tos tot tsc tsi tsk tsn tso tss tst ttc tti ttk ttn tto tts ttt