bbb bbh bbi bbo bbr bhb bhh bhi bho bhr bhv bi- bib bih bii bio bir biv bob boh boi boo bor bov brb brh bri bro brr brv bvb bvh bvi bvo bvr bvv h-i hbb hbh hbi hbo hbr hbv hhb hhh hhi hho hhr hhv hib hih hii hio hir hiv hob hoh hoi hoo hor hov hr- hrb hrh hri hro hrr hrv hv- hvb hvo hvr hvv i-v ibb ibh ibi ibo ibr ibv ihb ihh ihi iho ihr ihv iib iih iii iio iir io- iob ioh ioi ioo ior iov ir- irb iri iro irr irv ivb ivi ivo ivr ivv o-i ob- obb obh obi obo obr obv ohh ohi oho ohr oib oii oio oir oiv oo- oob ooh ooi ooo oor oov or- orb orh ori oro orr orv ov- ovb ovh ovi ovo ovv rbb rbh rbi rbo rbr rh- rhb rhh rhi rho rhr rhv rib rih rii rio rir riv rob roh roi roo ror rov rrb rrh rri rrr rvb rvh rvi rvo rvr rvv vbh vbi vbo vbr vbv vh- vhb vhi vho vi- vib vii vio vir viv vob voh voi voo vor vov vrb vrh vri vrr vvb vvi vvo vvr vvv