cccc ccci cccu ccic ccii ccix cctc cctt ccuc ccut ccxi cicc cici cict cicu ciii ciit citi citt citu city ciuc cixi ciyu ctic cucc cuci cui- cuit cut- cutc cutt cuy- cxii cxix cxxi cxxx cyc- cycc cyt- cyy- cyyc iccc icci icct iccu iiii iiit iitt iiuc itic itty iucc iuiu iuty ixxi tccc tccu tctc ticc tiit tiiu titc titi titt titu tixt tiyi tttt tucc tuit tuiu tuix tuti tutt tutu tuty tuyx txii tyti tytt tyty tyxt ucci ucut utti uttu uuuu xcii xiii xixi xiyu xuxu xxii xxix xxxi xxxx xxxy yccc yctc yiti yuit yutu yuty yuxi yuxu yuyu yyyy