-er -th c-- ccc cce cch cco ccr cct ccu ce- cec cee ceh ceo cer cet ceu ch- chc che chh cho chr cht chu co- coc coe coh coo cor cot cou crc cre crh cro crr crt cru ctc cte cth cto ctr ctt ctu cuc cue cuh cuo cur cut cuu ec- ecc ece ech eco ecr ect ecu eec eee eeo eer eet ehc ehe ehh eho ehr eht ehu eo- eoc eoe eoh eoo eor eot eou erc ere erh ero err ert eru etc ete eth eto etr ett etu eu- euc eue eur eut hcc hce hch hco hcr hct he- hec hee heh heo her het heu hhc hhe hhh hho hhr hht hhu hoc hoe hoh hoo hor hot hou hr- hrc hre hrh hro hrr hrt hru htc hte hth hto htr htt huc hue huh huo hur hut huu oc- occ och oco ocr oct ocu oec oee oeh oeo oer oet ohc ohe ohh oho ohr oht ohu oo- ooc ooh ooo oor oot or- orc ore orh oro orr ort oru ot- otc ote oth oto otr ott otu ou- ouc oue ouh ouo our out rcc rce rch rco rcr rct rcu re- rec ree reh reo rer ret reu rh- rhc rhe rhh rho rhr rht rhu roc roe roh roo ror rot rou rrc rrh rrr rrt rru rtc rte rto rtr rtt rtu ruc rue ruh ruo rur rut ruu tcc tce tch tco tcr tct tcu te- tec tee teh teo ter tet teu th- thc the thh tho thr tht thu to- toc toe toh too tor tot tou trc tre trh tro trr trt tru ttc tte tth tto ttr ttt ttu tuc tue tuh tuo tur tut tuu ucc uce uch uco ucr uct ucu uec uee ueh uer uet uhc uhe uhh uho uhr uht uhu uoc uoe uoo uor uot ur- urc ure uro urr urt uru utc ute uth uto utr utt utu uuc uue uur uut uuu