-ic c-- ccc cci ccn cco ccs cct ci- cic cii cin cio cis cit cn- cnc cni cnn cno cns cnt co- coc coi con coo cos cot csc csi csn cso css cst ctc cti ctn cto cts ctt icc ici icn ico ics ict iic iii iin iio iis iit in- inc ini inn ino ins int io- ioc ioi ion ioo ios iot is- isc isi isn iso iss ist itc iti itn ito its itt n-i ncc nci ncn nco ncs nct nic nii nin nio nis nit nnc nni nnn nno nns nnt no- noc noi non noo nos not nsc nsi nsn nso nss nst ntc nti ntn nto nts ntt o-i oc- occ oci ocn oco ocs oct oic oii oin oio ois oit on- onc oni onn ono ons ont oo- ooc ooi oon ooo oos oot os- osc osi osn oso oss ost ot- otc oti otn oto ots ott scc sci scn sco scs sct sic sii sin sio sis sit snc sni snn sno sns snt soc soi son soo sos sot ss- ssc ssi ssn sso sss sst stc sti stn sto sts stt tcc tci tcn tco tcs tct tic tii tin tio tis tit tnc tni tnn tno tns tnt to- toc toi ton too tos tot tsc tsi tsn tso tss tst ttc tti ttn tto tts ttt