c-myc ccccc cccii cciii ccmix ccxii cicis cimic circs ciric ciris cirr- cirri cirs- cissy crics crims criss crym- crys- cssii cymic cymri cymry cyric cyrix i-m-r icccm icici icims icscc iiiii iiris iisir iisys imiss immix imris ircii irimi iris- iriss irssi is-is iscsi isisi ismir isssc isyss iyiyi mccci mcmii mcmxc mcmxi mcsim mcxii mi-mi micic micr- mimic mimir mimis mimmi mimms mimsy miric mirim miris mirri mis-x misic mismi misri missi missm missx missy misys mixis mixxx mmccc mmcii mmcmi mmiii mmmcc mmmmm mmxii mrcic mrsic ms-ii msiri msisi mxiii my-my myri- mysis mysms rcirc ricci rimmi s-cis s-iii sccci sciri scism scrim scris scrms simic simis simmi simms sirci sirim siris sirsi sirsy sisic sisis sismi sissi sissy smirr smixi ssmis sssss x-ris xciii ximss xxiii xxxii xxxix xyris yscir