a-a a-c aaa aac aad aah aas ac- aca acc acd ach acs ad- ada adc add adh ads aha ahc ahd ahh ahs as- asa asc asd ash ass c-- caa cac cad cah cas cca ccc ccd cch ccs cda cdc cdd cdh cds ch- cha chc chd chh chs csa csc csd csh css daa dac dad dah das dca dcc dcd dcs dda ddc ddd ddh dds dh- dha dhc dhd dhh dhs dsa dsc dsd dsh dss haa hac had hah has hca hcc hcd hch hcs hda hdc hdd hdh hds hha hhc hhd hhh hhs hsa hsc hsd hsh hss saa sac sad sah sas sca scc scd sch scs sda sdc sdd sdh sds sh- sha shc shd shh shs ss- ssa ssc ssd ssh sss