c-- ccc cce cch cck cco ccs ccu ce- cec cee ceh cek ceo ces ceu ch- chc che chh chk cho chs chu ckc ckh cko cks co- coc coe coh cok coo cos cou csc cse csh csk cso css csu cuc cue cuh cuk cuo cus cuu ec- ecc ece ech eck eco ecs ecu eec eee eek eeo ees ehc ehe ehh eho ehs ehu ekc eke ekh eko eks eku eo- eoc eoe eoh eok eoo eos eou es- esc ese esh esk eso ess esu eu- euc eue eus hcc hce hch hck hco hcs he- hec hee heh hek heo hes heu hhc hhe hhh hhk hho hhs hhu hkh hkk hko hks hku hoc hoe hoh hok hoo hos hou hsc hse hsh hsk hss hsu huc hue huh huk huo hus huu kcc kce kch kck kcs kcu ke- kec kee keh kek keo kes khe khh khk kho khs khu kkc kke kkh kkk kks kku koc koe koh kok koo kos kou ksc kse ksh ksk kso kss ksu kuc kue kuh kuk kus kuu oc- occ och ock oco ocs ocu oec oee oeh oeo oes ohc ohe ohh oho ohs ohu okc oke okk oko oks oku oo- ooc ooh ook ooo oos os- osc ose osh osk oso oss osu ou- ouc oue ouh ouk ouo ous scc sce sch sck sco scs scu se- sec see seh sek seo ses seu sh- shc she shh shk sho shs shu sk- skc ske skh skk sko sks sku soc soe soh sok soo sos sou ss- ssc sse ssh ssk sso sss ssu suc sue suh suk suo sus suu ucc uce uch uck uco ucs ucu uec uee ueh ues uhc uhe uhh uho uhs uhu ukc uke ukk uku uoc uoe uok uoo uos usc use ush usk uso uss usu uuc uue uus uuu