a-a aaa aad aah aan aao aar ad- ada add adh adn ado adr aha ahd ahh ahn aho ahr an- ana and anh ann ano anr aoa aod aoh aon aoo aor ar- ara ard arh arn aro arr daa dad dah dan dao dar dda ddd ddh ddn ddo ddr dh- dha dhd dhh dho dhr dna dnd dnh dnn dno dnr doa dod doh don doo dor dra drd drn dro drr haa had hah han hao har hda hdd hdh hdn hdo hdr hha hhd hhh hhn hho hhr hna hnd hnh hnn hno hoa hod hoh hon hoo hor hr- hra hrd hrh hrn hro hrr naa nad nah nan nao nar nda ndd ndh ndn ndo ndr nha nhd nhh nhn nhr nna nnh nnn nno no- noa nod noh non noo nor nra nrd nrn nro nrr oaa oad oah oan oao oar oda odd odh odn odo odr oha ohd ohh ohn oho ohr on- ona ond onh onn ono onr oo- ooa ood ooh oon ooo oor or- ora ord orh orn oro orr ra- raa rad rah ran rao rar rda rdd rdh rdn rdo rdr rh- rha rhd rhh rhn rho rhr rna rnd rnh rnn rno rnr roa rod roh ron roo ror rra rrd rrh rrn rrr