-th c-- ccc cce cch cck cco ccs cct ccu ce- cec cee ceh cek ceo ces cet ceu ch- chc che chh chk cho chs cht chu ckc ckh cko cks ckt co- coc coe coh cok coo cos cot cou csc cse csh csk cso css cst csu ctc cte cth ctk cto cts ctt ctu cuc cue cuh cuk cuo cus cut cuu ec- ecc ece ech eck eco ecs ect ecu eec eee eek eeo ees eet ehc ehe ehh eho ehs eht ehu ekc eke ekh eko eks ekt eku eo- eoc eoe eoh eok eoo eos eot eou es- esc ese esh esk eso ess est esu etc ete eth etk eto ets ett etu eu- euc eue eus eut hcc hce hch hck hco hcs hct he- hec hee heh hek heo hes het heu hhc hhe hhh hhk hho hhs hht hhu hkh hkk hko hks hkt hku hoc hoe hoh hok hoo hos hot hou hsc hse hsh hsk hss hst hsu htc hte hth htk hto hts htt huc hue huh huk huo hus hut huu k-t kcc kce kch kck kcs kct kcu ke- kec kee keh kek keo kes ket khe khh khk kho khs khu kkc kke kkh kkk kks kkt kku koc koe koh kok koo kos kot kou ksc kse ksh ksk kso kss kst ksu ktc kte kth ktk kto kts ktt ktu kuc kue kuh kuk kus kut kuu oc- occ och ock oco ocs oct ocu oec oee oeh oeo oes oet ohc ohe ohh oho ohs oht ohu okc oke okk oko oks oku oo- ooc ooh ook ooo oos oot os- osc ose osh osk oso oss ost osu ot- otc ote oth otk oto ots ott otu ou- ouc oue ouh ouk ouo ous out scc sce sch sck sco scs sct scu se- sec see seh sek seo ses set seu sh- shc she shh shk sho shs sht shu sk- skc ske skh skk sko sks skt sku soc soe soh sok soo sos sot sou ss- ssc sse ssh ssk sso sss sst ssu stc ste sth stk sto sts stt stu suc sue suh suk suo sus sut suu tcc tce tch tck tco tcs tct tcu te- tec tee teh tek teo tes tet teu th- thc the thh thk tho ths tht thu tkc tke tkk tko tks tkt to- toc toe toh tok too tos tot tou tsc tse tsh tsk tso tss tst tsu ttc tte tth ttk tto tts ttt ttu tuc tue tuh tuk tuo tus tut tuu ucc uce uch uck uco ucs uct ucu uec uee ueh ues uet uhc uhe uhh uho uhs uht uhu ukc uke ukk uku uoc uoe uok uoo uos uot usc use ush usk uso uss ust usu utc ute uth utk uto uts utt utu uuc uue uus uut uuu