-ol b-u bbb bbi bbl bbm bbo bbu bi- bib bii bil bim bio biu blb bli bll blm blo blu bmb bmi bml bmm bmo bmu bob boi bol bom boo bou bub bui bul bum buo buu ibb ibi ibl ibm ibo ibu iib iii iil iim iio iiu il- ilb ili ill ilm ilo ilu im- imb imi iml imm imo imu io- iob ioi iol iom ioo iou iu- iub iui ium lbb lbi lbl lbm lbo lbu lib lii lil lim lio liu llb lli lll llm llo llu lmb lmi lml lmm lmo lmu lob loi lol lom loo lou lub lui lul lum luo luu m-o mbb mbi mbl mbm mbo mbu mi- mib mii mil mim mio miu mlb mli mll mlm mlo mlu mmb mmi mml mmm mmo mmu mob moi mol mom moo mou mub mui mul mum muu o-i ob- obb obi obl obm obo obu oib oii oil oim oio oiu olb oli oll olm olo olu om- omb omi oml omm omo omu oo- oob ooi ool oom ooo ou- oui oul oum ouo ubb ubi ubl ubo ubu uib uii uil uim uio uiu ulb uli ull ulm ulo ulu um- umb umi uml umm umo umu uob uol uom uoo uum uuu