a-a aaa aad aah aao aar aas ad- ada add adh ado adr ads aha ahd ahh aho ahr ahs aoa aod aoh aoo aor aos ar- ara ard arh aro arr ars as- asa asd ash aso asr ass daa dad dah dao dar das dda ddd ddh ddo ddr dds dh- dha dhd dhh dho dhr dhs doa dod doh doo dor dos dra drd dro drr drs dsa dsd dsh dso dsr dss haa had hah hao har has hda hdd hdh hdo hdr hds hha hhd hhh hho hhr hhs hoa hod hoh hoo hor hos hr- hra hrd hrh hro hrr hrs hsa hsd hsh hsr hss oaa oad oah oao oar oas oda odd odh odo odr ods oha ohd ohh oho ohr ohs oo- ooa ood ooh ooo oor oos or- ora ord orh oro orr ors os- osa osd osh oso osr oss ra- raa rad rah rao rar ras rda rdd rdh rdo rdr rds rh- rha rhd rhh rho rhr rhs roa rod roh roo ror ros rra rrd rrh rrr rrs rsa rsd rsh rso rsr rss saa sad sah sao sar sas sda sdd sdh sdo sdr sds sh- sha shd shh sho shr shs soa sod soh soo sor sos sr- sra srd srh sro srr srs ss- ssa ssd ssh sso ssr sss