cccc ccci cccs ccic ccii ccis ccix ccoc ccsi ccss ccst cctc cctt ccxi cicc cici cico cics cict ciii ciis ciit cios cis- cisc ciss cist citi cito cits citt cixi coco coct cois coit coix coos coot cosc cosi coso coss cost cotc coti coto cots cott cscc csci csco cscs csio csis csit csix csos csot csox cstc csto csts cstx csxt ctic ctos ctot ctsc ctss ctts cxii cxix cxxi cxxx iccc icci icco iccs icct icis icoc icos icsc icsi icss icst icts iiii iiio iiis iiit iioi iioo iios iisc iisi iist iitt ioci ioii ioio ioit iooi iooo ioos ioso ioto iscc isci isco iscs isct isic isis isit iso- isoc isos issc issi isso isss istc isti isto ists itcs itic itis itoi itoo itos itsi itso itto ixos ixxi occc occi occt ocis ocos oct- octi octo octs oici oiii oios oisc oist oitc oiti oooo ooos oosi oost oots oscc osci osco osii osis osoi osoo osos ossi osso ostc osti osts otic otis otit oto- otoo otos otso otti otto otts oxi- oxic oxis oxo- oxos oxox oxsi oxxo s-ic s-ii s-os sccc sccs scct sci- scic scio scis scit scoo scot scox scsc scsi scso scst sctc scto scts sicc sici sico sics siit sios siot siox sisc sisi siss sist sit- sitc siti sito sits sitt sixo sixt sixx soci soco socs socx soic sois soit soos soot sosi soso soss sost sotc soto sots soxs sscc ssci sscs ssis ssit ssoc ssot sssc sssi ssss sstc ssts stcc stcs stic stio stis stit stix stoo stos stot stox stsi stss sttc tccc tcos tctc tcts ticc tico tics tiit tios tisi tiso tiss tist titc titi tito tits titt tixt toci toco tois toit toos toot tosc tosi toso toss tost tosx totc toti toto tots tott tox- toxi toxo toxs toxt tscc tsis tsix tsoi tsos tssi tsst tstc tsts ttss tttt txii xcii xcis xico xics xiii xisi xist xito xixi xoco xois xoxo xxii xxix xxxi xxxo xxxx