-th a-a a-t aaa aad aah aas aat ad- ada add adh ads adt aha ahd ahh ahs aht as- asa asd ash ass ast at- ata atd ath ats att daa dad dah das dat dda ddd ddh dds ddt dh- dha dhd dhh dhs dht dsa dsd dsh dss dst dta dtd dth dts dtt haa had hah has hat hda hdd hdh hds hdt hha hhd hhh hhs hht hsa hsd hsh hss hst hta htd hth hts htt saa sad sah sas sat sda sdd sdh sds sdt sh- sha shd shh shs sht ss- ssa ssd ssh sss sst sta std sth sts stt taa tad tah tas tat tda tdd tdh tds tdt th- tha thd thh ths tht tsa tsd tsh tss tst tta ttd tth tts ttt