-ic c-- ccc cci cco ccr ccs cct ccz ci- cic cii cio cir cis cit co- coc coi coo cor cos cot coz crc cri cro crr crs crt crz csc csi cso csr css cst csz ctc cti cto ctr cts ctt ctz cz- czc czo czt icc ici ico icr ics ict icz iic iii iio iir iis iit io- ioc ioi ioo ior ios iot ir- irc iri iro irr irs irt is- isc isi iso isr iss ist itc iti ito its itt itz izi izo izz o-i oc- occ oci oco ocr ocs oct ocz oic oii oio oir ois oit oiz oo- ooc ooi ooo oor oos oot or- orc ori oro orr ors ort orz os- osc osi oso osr oss ost ot- otc oti oto otr ots ott otz ozo ozs ozt ozz rcc rci rco rcr rcs rct ric rii rio rir ris rit riz roc roi roo ror ros rot roz rrc rri rrr rrs rrt rsc rsi rso rsr rss rst rtc rti rto rtr rts rtt rtz rzo scc sci sco scr scs sct sic sii sio sir sis sit soc soi soo sor sos sot soz sr- src sri sro srr srs srt ss- ssc ssi sso ssr sss sst ssz stc sti sto str sts stt stz szi szr tcc tci tco tcr tcs tct tic tii tio tir tis tit tiz to- toc toi too tor tos tot toz trc tri tro trr trs trt trz tsc tsi tso tsr tss tst ttc tti tto ttr tts ttt tzs zco zcs zio zir zis zit ziz zo- zoc zoi zoo zor zos zot zro zrs zsi zst zsz ztr zzr zzs zzt zzz