a-a a-c aaa aac aah aas aau ac- aca acc ach acs acu aha ahc ahh ahs ahu as- asa asc ash ass asu au- aua auc auh aus c-- caa cac cah cas cau cca ccc cch ccs ccu ch- cha chc chh chs chu csa csc csh css csu cua cuc cuh cus cuu haa hac hah has hau hca hcc hch hcs hha hhc hhh hhs hhu hsa hsc hsh hss hsu hua huc huh hus huu saa sac sah sas sau sca scc sch scs scu sh- sha shc shh shs shu ss- ssa ssc ssh sss ssu sua suc suh sus suu ua- uaa uac uah uas uau uca ucc uch ucs ucu uha uhc uhh uhs uhu usa usc ush uss usu uua uuc uus uuu