-ic c-- ccc cce cci cco ccs ce- cec cee cei ceo ces ci- cic cie cii cio cis co- coc coe coi coo cos csc cse csi cso css ec- ecc ece eci eco ecs eec eee eeo ees eic eie eii eio eis eo- eoc eoe eoi eoo eos es- esc ese esi eso ess icc ice ici ico ics ie- iec iee iei ies iic iie iii iio iis io- ioc ioe ioi ioo ios is- isc ise isi iso iss o-i oc- occ oci oco ocs oec oee oei oeo oes oic oie oii oio ois oo- ooc ooi ooo oos os- osc ose osi oso oss scc sce sci sco scs se- sec see sei seo ses sic sie sii sio sis soc soe soi soo sos ss- ssc sse ssi sso sss