-ic -up c-- ccc cci ccp ccr ccs ccu ci- cic cii cip cir cis ciu cpc cpi cpp cpr cps cpu crc cri crp crr crs cru csc csi csp csr css csu cuc cui cup cur cus cuu icc ici icp icr ics icu iic iii iip iir iis iiu ipc ipi ipp ipr ips ipu ir- irc iri irp irr irs iru is- isc isi isp isr iss isu iu- iuc iui iup iur ius p-p pcc pci pcp pcr pcs pcu pic pii pip pir pis piu ppc ppi ppp ppr pps ppu prc pri prp prr prs pru ps- psc psi psp psr pss psu puc pui pup pur pus puu rcc rci rcp rcr rcs rcu ric rii rip rir ris rpc rpi rpp rpr rps rpu rrc rri rrp rrr rrs rru rsc rsi rsp rsr rss rsu ruc rui rup rur rus ruu scc sci scp scr scs scu sic sii sip sir sis siu spc spi spp spr sps spu sr- src sri srp srr srs ss- ssc ssi ssp ssr sss ssu suc sui sup sur sus suu ucc uci ucp ucr ucs ucu uic uii uip uir uis uiu up- upc upi upp upr ups upu ur- urc uri urp urr urs uru usc usi usp usr uss usu uuc uur uus uuu