-ol bbb bbi bbl bbn bbo bi- bib bii bil bin bio biv blb bli bll bln blo blv bnb bni bnl bnn bno bnv bob boi bol bon boo bov bvb bvi bvl bvn bvo bvv i-v ibb ibi ibl ibn ibo ibv iib iii iil iin iio il- ilb ili ill iln ilo ilv in- inb ini inl inn ino inv io- iob ioi iol ion ioo iov ivb ivi ivl ivo ivv lbb lbi lbl lbo lbv lib lii lil lin lio liv llb lli lll lln llo llv lnb lni lnl lnn lno lob loi lol lon loo lov lvb lvi lvl lvn lvv n-i nbb nbi nbl nbn nbo nbv nib nii nil nin nio niv nlb nli nll nln nlo nlv nnb nni nnl nnn nno nnv no- nob noi nol non noo nov nvb nvi nvl nvn nvv o-i ob- obb obi obl obn obo obv oib oii oil oin oio oiv olb oli oll oln olo on- onb oni onl onn ono oo- oob ooi ool oon ooo oov ov- ovb ovi ovl ovo ovv vbi vbl vbo vbv vi- vib vii vil vin vio viv vl- vlb vll vlo vlv vn- vni vnl vno vnv vob voi vol von voo vov vvb vvi vvo vvv