cccc ccci cccs cccu ccic ccii ccir ccis ccrc ccri ccrs ccsi ccss ccuc ccus cicc cici cicr cics cicu ciii ciis circ ciri cirr cirs cis- cisc cisr ciss ciuc cius crcc crcr cric cris criu crss crus cscc csci cscr cscs csir csis csrc csrs cssr csur csus cucc cuci cui- cuir cuis curi curr curs cuss cusu iccc icci iccr iccs iccu icis icrc icrr icrs icru icsc icsi icsr icss icus iiii iiis iirc iirs iisc iisi iisr iisu iiuc ircc ircs ircu iri- iric iris irrc irri irrs irus iscc isci iscr iscs iscu isic isis isri issc issi issr isss issu isus iucc iuiu iuss rccc rccs rcic rcis rcsc rcsi rcss ricc rics riis riri rirs risc risi riss risu rius rrrr rscc rscs rsis ruci ruis rurc ruri rurs ruru rusi russ rusu s-ic s-ii sccc sccs sci- scic scir scis scr- scrc scri scrs scsc scsi scsr scsu scur sicc sici sics sicu sirc siri sirr sirs siru sisc sisi siss sisu siui sius srcc sris sscc ssci sscs ssis ssrc ssri ssrs sssc sssi ssss suc- succ suci sucr sucs suir suis sur- surc suri surr surs suru sus- susi suss susu suus ucci ucrc ucsc ucsu uirr urci uric uris uriu urri ursi urss ursu urur urus uscc uscs usis ussc ussr usss ussu usui usus uuri uusi uuuu