bbb bbi bbm bbo bbt bi- bib bii bim bio bit biv bmb bmi bmm bmo bmt bmv bob boi bom boo bot bov btb bti btm bto btt btv bvb bvi bvm bvo bvt bvv i-v ibb ibi ibm ibo ibt ibv iib iii iim iio iit im- imb imi imm imo imt imv io- iob ioi iom ioo iot iov itb iti itm ito itt itv ivb ivi ivo ivt ivv m-o m-v mbb mbi mbm mbo mbt mbv mi- mib mii mim mio mit miv mmb mmi mmm mmo mmt mmv mob moi mom moo mot mov mtb mti mtm mto mtt mtv mvb mvi mvm mvo mvt mvv o-i ob- obb obi obm obo obt obv oib oii oim oio oit oiv om- omb omi omm omo omt omv oo- oob ooi oom ooo oot oov ot- otb oti otm oto ott otv ov- ovb ovi ovo ovv tbb tbi tbm tbo tbt tbv tib tii tim tio tit tiv tmb tmi tmm tmo tmt tmv to- tob toi tom too tot tov ttb tti ttm tto ttt ttv tvb tvi tvm tvo tvt vbi vbm vbo vbv vi- vib vii vim vio vit viv vm- vmi vmm vmo vmt vob voi vom voo vot vov vtb vti vtm vto vtt vtv vvb vvi vvm vvo vvt vvv