-er -th a-a a-c a-t aaa aac aae aah aar aat aau ac- aca acc ace ach acr act acu aea aec aee aeh aer aet aeu aha ahc ahe ahh ahr aht ahu ar- ara arc are arh arr art aru at- ata atc ate ath atr att atu au- aua auc aue auh aur aut c-- caa cac cae cah car cat cau cca ccc cce cch ccr cct ccu ce- cea cec cee ceh cer cet ceu ch- cha chc che chh chr cht chu cra crc cre crh crr crt cru cta ctc cte cth ctr ctt ctu cua cuc cue cuh cur cut cuu eaa eac eae eah ear eat eau ec- eca ecc ece ech ecr ect ecu eea eec eee eer eet eha ehc ehe ehh ehr eht ehu era erc ere erh err ert eru eta etc ete eth etr ett etu eu- eua euc eue eur eut haa hac hae hah har hat hau hca hcc hce hch hcr hct he- hea hec hee heh her het heu hha hhc hhe hhh hhr hht hhu hr- hra hrc hre hrh hrr hrt hru hta htc hte hth htr htt hua huc hue huh hur hut huu ra- raa rac rae rah rar rat rau rca rcc rce rch rcr rct rcu re- rea rec ree reh rer ret reu rh- rha rhc rhe rhh rhr rht rhu rra rrc rrh rrr rrt rru rta rtc rte rtr rtt rtu rua ruc rue ruh rur rut ruu taa tac tae tah tar tat tau tca tcc tce tch tcr tct tcu te- tea tec tee teh ter tet teu th- tha thc the thh thr tht thu tra trc tre trh trr trt tru tta ttc tte tth ttr ttt ttu tua tuc tue tuh tur tut tuu ua- uaa uac uae uah uar uat uau uca ucc uce uch ucr uct ucu uea uec uee ueh uer uet uha uhc uhe uhh uhr uht uhu ur- ura urc ure urr urt uru uta utc ute uth utr utt utu uua uuc uue uur uut uuu