a-a aaa aad aaf aah aas aau ad- ada add adf adh ads adu af- afa afd aff afh afs afu aha ahd ahf ahh ahs ahu as- asa asd asf ash ass asu au- aua aud auf auh aus daa dad daf dah das dau dda ddd ddf ddh dds ddu dfa dfd dff dfh dfs dfu dh- dha dhd dhf dhh dhs dhu dsa dsd dsf dsh dss dsu dua dud duf duh dus faa fad faf fah fas fau fda fdd fdf fdh fds fdu ffa ffd fff ffh ffs ffu fha fhf fhh fhs fsa fsd fsf fsh fss fsu fua fud fuf fus fuu haa had haf hah has hau hda hdd hdf hdh hds hdu hfa hfd hff hfh hfs hfu hha hhd hhf hhh hhs hhu hsa hsd hsf hsh hss hsu hua hud huf huh hus huu saa sad saf sah sas sau sda sdd sdf sdh sds sdu sfa sfd sff sfh sfs sfu sh- sha shd shf shh shs shu ss- ssa ssd ssf ssh sss ssu sua sud suf suh sus suu ua- uaa uad uaf uah uas uau uda udd udf uds udu ufa ufd uff ufh ufs ufu uha uhd uhf uhh uhs uhu usa usd usf ush uss usu uua uus uuu