-ic c-- ccc cci cco ccs cct ccz ci- cic cii cio cis cit co- coc coi coo cos cot coz csc csi cso css cst csz ctc cti cto cts ctt ctz cz- czc czo czt icc ici ico ics ict icz iic iii iio iis iit io- ioc ioi ioo ios iot is- isc isi iso iss ist itc iti ito its itt itz izi izo izz o-i oc- occ oci oco ocs oct ocz oic oii oio ois oit oiz oo- ooc ooi ooo oos oot os- osc osi oso oss ost ot- otc oti oto ots ott otz ozo ozs ozt ozz scc sci sco scs sct sic sii sio sis sit soc soi soo sos sot soz ss- ssc ssi sso sss sst ssz stc sti sto sts stt stz szi tcc tci tco tcs tct tic tii tio tis tit tiz to- toc toi too tos tot toz tsc tsi tso tss tst ttc tti tto tts ttt tzs zco zcs zio zis zit ziz zo- zoc zoi zoo zos zot zsi zst zsz zzs zzt zzz