bbb bbd bbh bbi bbo bbr bdb bdd bdh bdi bdo bdr bhb bhd bhh bhi bho bhr bi- bib bid bih bii bio bir bob bod boh boi boo bor brb brd brh bri bro brr dbb dbd dbh dbi dbo dbr ddb ddd ddh ddi ddo ddr dh- dhb dhd dhh dhi dho dhr di- dib did dih dii dio dir dob dod doh doi doo dor drb drd dri dro drr h-i hbb hbd hbh hbi hbo hbr hdb hdd hdh hdi hdo hdr hhb hhd hhh hhi hho hhr hib hid hih hii hio hir hob hod hoh hoi hoo hor hr- hrb hrd hrh hri hro hrr i-d ibb ibd ibh ibi ibo ibr idb idd idh idi ido idr ihb ihd ihh ihi iho ihr iib iid iih iii iio iir io- iob iod ioh ioi ioo ior ir- irb ird iri iro irr o-i ob- obb obd obh obi obo obr odb odd odh odi odo odr ohd ohh ohi oho ohr oib oid oii oio oir oo- oob ood ooh ooi ooo oor or- orb ord orh ori oro orr rbb rbd rbh rbi rbo rbr rdb rdd rdh rdi rdo rdr rh- rhb rhd rhh rhi rho rhr rib rid rih rii rio rir rob rod roh roi roo ror rrb rrd rrh rri rrr