bbb bbh bbi bbn bbo bhb bhh bhi bho bi- bib bih bii bin bio bnb bni bnn bno bob boh boi bon boo h-i hbb hbh hbi hbn hbo hhb hhh hhi hhn hho hib hih hii hin hio hnb hnh hnn hno hob hoh hoi hon hoo ibb ibh ibi ibn ibo ihb ihh ihi ihn iho iib iih iii iin iio in- inb inh ini inn ino io- iob ioh ioi ion ioo n-i nbb nbi nbn nbo nhb nhh nhi nhn nib nih nii nin nio nnb nnh nni nnn nno no- nob noh noi non noo o-i ob- obb obh obi obn obo ohh ohi ohn oho oib oii oin oio on- onb onh oni onn ono oo- oob ooh ooi oon ooo