c-- ccc cce cch ccs ccu ce- cec cee ceh ces ceu ch- chc che chh chs chu csc cse csh css csu cuc cue cuh cus cuu ec- ecc ece ech ecs ecu eec eee ees ehc ehe ehh ehs ehu es- esc ese esh ess esu eu- euc eue eus hcc hce hch hcs he- hec hee heh hes heu hhc hhe hhh hhs hhu hsc hse hsh hss hsu huc hue huh hus huu scc sce sch scs scu se- sec see seh ses seu sh- shc she shh shs shu ss- ssc sse ssh sss ssu suc sue suh sus suu ucc uce uch ucs ucu uec uee ueh ues uhc uhe uhh uhs uhu usc use ush uss usu uuc uue uus uuu