-ic c-- ccc cci ccn cco ccr ccs ccz ci- cic cii cin cio cir cis cn- cnc cni cnn cno cnr cns co- coc coi con coo cor cos coz crc cri crn cro crr crs crz csc csi csn cso csr css csz cz- czc czo icc ici icn ico icr ics icz iic iii iin iio iir iis in- inc ini inn ino inr ins io- ioc ioi ion ioo ior ios ir- irc iri irn iro irr irs is- isc isi isn iso isr iss izi izo izz n-i ncc nci ncn nco ncr ncs nic nii nin nio nir nis niz nnc nni nnn nno nns nnz no- noc noi non noo nor nos noz nrc nri nrn nro nrr nrs nrz nsc nsi nsn nso nsr nss nsz nzi nzo nzs nzz o-i oc- occ oci ocn oco ocr ocs ocz oic oii oin oio oir ois oiz on- onc oni onn ono onr ons oo- ooc ooi oon ooo oor oos or- orc ori orn oro orr ors orz os- osc osi osn oso osr oss ozo ozs ozz rcc rci rcn rco rcr rcs ric rii rin rio rir ris riz rnc rni rnn rno rnr rns rnz roc roi ron roo ror ros roz rrc rri rrn rrr rrs rsc rsi rsn rso rsr rss rzo scc sci scn sco scr scs sic sii sin sio sir sis snc sni snn sno snr sns soc soi son soo sor sos soz sr- src sri srn sro srr srs ss- ssc ssi ssn sso ssr sss ssz szi szr zco zcs zin zio zir zis ziz znc znn zno zns zo- zoc zoi zon zoo zor zos zro zrs zsi zsz zzr zzs zzz