cccc cccm cccp cccs ccmc ccmm ccmp ccms ccoc ccom ccpm ccpp ccps ccsp ccss cmcc cmcs cmmc cmms cmoc cmos cmoy cmpc cmpp cmsc coco cocp com- comc comm como comp coms coom coop coos copo copp cops copy cosc cosm coso cosp coss cosy coyo coys cpcm cpcs cpmp cpos cppm cpps cpsc cpso cscc csco cscs csmc csom csos cspc csps cssm csys cyc- cycc cycs cym- cymo cypc cyps cyy- cyyc mccc mcmc mcop mcpc mcpp mcps mcsp mcss mmcc mmcm mmcs mmmc mmmm mmms mmpc mmsc mmyy moco mocs momo moms momy mooc moop moos mopp mops mopy mosc moso moss mosy moyo mpcc mpmc mppc mppp mpps mpys mscc msco mscp msmc msmm msms msop mspp mspy mssm mssp myc- myco mymp mymy myo- myos mypo mys- myss myys occc ocms ocom ocos ocpm ocpp ocys omo- omoo omps ooms oooo ooos oops opms opo- opos oppo opps oppy opsm opsy oscc osco osm- osmo osoo osos ospm osso ossy osyp oyss pccc pccs pcom pcos pcpm pcpp pcps pcso pmcc pmmp pmos pmpm pmpo poco pocs pomo pomp poms pomy poop poos pop- popc popo popp pops popy poso poss posy poyo poys ppcc ppcm ppcs ppms ppos pppo pppp ppps ppss psco psoc psos pspp psps pssc pssm psso psy- psys pym- pyms pyo- pyos pypy pyss s-os sccc sccm sccp sccs sccy scmc scmm scmo scmp scms scom scoo scop scpm scpo scps scsc scso smcc smcp smoc smos smoy smps smsc smsp smss socm soco socs socy somm somo somy soom soop soos sooy sopo sopp sops sopy soso soss soyo soys spcc spco spcs spms spoc spoo spop spos spoy spps spso spsp spss spy- spys sscc sscp sscs ssmc ssoc ssop sspc sspo ssps sssc sssm ssss syco sym- syms sypo syso syss yccc yomo yomp yoop yopo yopy yoso yoyo ypcc ysco ysop yyyy