c-- ccc cce cch cck ccs ccu ce- cec cee ceh cek ces ceu ch- chc che chh chk chs chu ckc ckh cks csc cse csh csk css csu cuc cue cuh cuk cus cuu ec- ecc ece ech eck ecs ecu eec eee eek ees ehc ehe ehh ehs ehu ekc eke ekh eks eku es- esc ese esh esk ess esu eu- euc eue eus hcc hce hch hck hcs he- hec hee heh hek hes heu hhc hhe hhh hhk hhs hhu hkh hkk hks hku hsc hse hsh hsk hss hsu huc hue huh huk hus huu kcc kce kch kck kcs kcu ke- kec kee keh kek kes khe khh khk khs khu kkc kke kkh kkk kks kku ksc kse ksh ksk kss ksu kuc kue kuh kuk kus kuu scc sce sch sck scs scu se- sec see seh sek ses seu sh- shc she shh shk shs shu sk- skc ske skh skk sks sku ss- ssc sse ssh ssk sss ssu suc sue suh suk sus suu ucc uce uch uck ucs ucu uec uee ueh ues uhc uhe uhh uhs uhu ukc uke ukk uku usc use ush usk uss usu uuc uue uus uuu