-ol bbb bbi bbl bbm bbo bbs bi- bib bii bil bim bio bis biv blb bli bll blm blo bls blv bmb bmi bml bmm bmo bms bmv bob boi bol bom boo bos bov bsb bsi bsl bsm bso bss bsv bvb bvi bvl bvm bvo bvs bvv i-v ibb ibi ibl ibm ibo ibs ibv iib iii iil iim iio iis il- ilb ili ill ilm ilo ils ilv im- imb imi iml imm imo ims imv io- iob ioi iol iom ioo ios iov is- isb isi isl ism iso iss isv ivb ivi ivl ivo ivs ivv lbb lbi lbl lbm lbo lbs lbv lib lii lil lim lio lis liv llb lli lll llm llo lls llv lmb lmi lml lmm lmo lms lmv lob loi lol lom loo los lov lsb lsi lsl lsm lso lss lsv lvb lvi lvl lvm lvs lvv m-o m-v mbb mbi mbl mbm mbo mbs mbv mi- mib mii mil mim mio mis miv mlb mli mll mlm mlo mls mlv mmb mmi mml mmm mmo mms mmv mob moi mol mom moo mos mov msb msi msl msm mso mss msv mvb mvi mvl mvm mvo mvs mvv o-i ob- obb obi obl obm obo obs obv oib oii oil oim oio ois oiv olb oli oll olm olo ols om- omb omi oml omm omo oms omv oo- oob ooi ool oom ooo oos oov os- osb osi osl osm oso oss osv ov- ovb ovi ovl ovo ovs ovv sbb sbi sbl sbm sbo sbs sbv sib sii sil sim sio sis siv slb sli sll slm slo sls slv smb smi sml smm smo sms smv sob soi sol som soo sos sov ss- ssb ssi ssl ssm sso sss ssv svb svi svl svm svo svs svv vbi vbl vbm vbo vbs vbv vi- vib vii vil vim vio vis viv vl- vlb vll vlm vlo vls vlv vm- vmi vmm vmo vob voi vol vom voo vos vov vsb vsi vsl vsm vso vss vsv vvb vvi vvm vvo vvs vvv