cccc ccci cccs cccv ccic ccii ccis cciv ccoc ccsi ccss ccvi ccvo ccvs cicc cici cico cics ciii ciis cios cis- cisc ciss cisv civc civo coco cois coos cosc cosi coso coss covo cscc csci csco cscs csio csis csos cvcc cvii cvss iccc icci icco iccs icis icoc icos icsc icsi icss iiii iiio iiis iioi iioo iios iisc iisi ioci ioii ioio iooi iooo ioos ioso iscc isci isco iscs isic isis iso- isoc isos issc issi isso isss ivic occc occi ocis ocos oici oiii oios oisc oooo ooos oosi oscc osci osco osii osis osoi osoo osos osov ossi osso ovcs ovi- ovis ovo- ovoo s-ic s-ii s-iv s-os sccc sccs sci- scic scio scis sciv scoo scsc scsi scso sicc sici sico sics sios sisc sisi siss sivi soci soco socs soic sois soos sosi soso soss sosv sovo sovs sscc ssci sscs ssis ssoc sssc sssi ssss svcc svcs svic svsc vcci vic- vici vico vics viii vios visc visi viso viss vivi vivo voic voio vois vooc vosi voso voss vsic vssc vvvv