a-a aaa aad aah aan aao aas ad- ada add adh adn ado ads aha ahd ahh ahn aho ahs an- ana and anh ann ano ans aoa aod aoh aon aoo aos as- asa asd ash asn aso ass daa dad dah dan dao das dda ddd ddh ddn ddo dds dh- dha dhd dhh dho dhs dna dnd dnh dnn dno dns doa dod doh don doo dos dsa dsd dsh dsn dso dss haa had hah han hao has hda hdd hdh hdn hdo hds hha hhd hhh hhn hho hhs hna hnd hnh hnn hno hns hoa hod hoh hon hoo hos hsa hsd hsh hsn hss naa nad nah nan nao nas nda ndd ndh ndn ndo nds nha nhd nhh nhn nhs nna nnh nnn nno nns no- noa nod noh non noo nos nsa nsd nsh nsn nso nss oaa oad oah oan oao oas oda odd odh odn odo ods oha ohd ohh ohn oho ohs on- ona ond onh onn ono ons oo- ooa ood ooh oon ooo oos os- osa osd osh osn oso oss saa sad sah san sao sas sda sdd sdh sdn sdo sds sh- sha shd shh shn sho shs sna snd snn sno sns soa sod soh son soo sos ss- ssa ssd ssh ssn sso sss