cccc cccm cccp cccs ccmc ccmm ccmp ccms ccnc ccnm ccnp ccns ccpm ccpn ccpp ccps ccsn ccsp ccss cmcc cmcs cmmc cmmn cmms cmpc cmpp cmsc cmsn cncp cnss cpcm cpcs cpmp cpns cppm cpps cpsc cscc cscs csmc csnp cspc csps cssm mccc mcmc mcpc mcpp mcps mcsp mcss mmcc mmcm mmcs mmmc mmmm mmms mmpc mmsc mpcc mpmc mppc mppp mpps mscc mscp msmc msmm msms msnp mspp mssm mssp nccc nccn nccp nccs ncmm ncmp ncnc ncpc ncsc ncss nmcp nmmc nmsp nnmc nnnn nnss npcc nppc npss nscc nscs nsmc nspc nsps nssc nssp nsss pccc pccs pcns pcpm pcpn pcpp pcps pmcc pmmp pmpm pnnm pnpp pnsc ppcc ppcm ppcs ppms pppn pppp ppps ppss psnc pspp psps pssc pssm sccc sccm sccp sccs scmc scmm scmp scms scpm scps scsc scsn smcc smcp smnc smps smsc smsn smsp smss sncc sncp snmp snns snpp spcc spcs spms spns spps spsp spss sscc sscp sscs ssmc ssns sspc ssps sssc sssm ssss