bbb bbg bbi bbn bbo bgb bgg bgi bgn bgo bgv bi- bib big bii bin bio biv bnb bng bni bnn bno bnv bob bog boi bon boo bov bvb bvg bvi bvn bvo bvv gbg gbi gbn gbo gbv ggb ggg ggi ggn ggo ggv gib gig gii gin gio giv gnb gni gnn gno gnv gob gog goi gon goo gov gvb gvg gvi gvn gvo i-v ibb ibg ibi ibn ibo ibv igb igg igi ign igo iib iii iin iio in- inb ing ini inn ino inv io- iob iog ioi ion ioo iov ivb ivg ivi ivo ivv n-i nbb nbg nbi nbn nbo nbv ngb ngg ngi ngn ngo nib nig nii nin nio niv nnb nng nni nnn nno nnv no- nob nog noi non noo nov nvb nvg nvi nvn nvv o-i ob- obb obg obi obn obo obv ogg ogi ogn ogo oib oii oin oio oiv on- onb ong oni onn ono oo- oob oog ooi oon ooo oov ov- ovb ovi ovo ovv vbg vbi vbo vbv vgg vgn vgo vi- vib vig vii vin vio viv vn- vng vni vno vnv vob vog voi von voo vov vvb vvg vvi vvo vvv