-ol b-u bbb bbc bbd bbl bbm bbo bbu bcb bcc bcd bcl bcm bco bcu bdb bdc bdd bdl bdm bdo bdu blb blc bld bll blm blo blu bmb bmc bmd bml bmm bmo bmu bob boc bod bol bom boo bou bub buc bud bul bum buo buu c-- cbb cbc cbd cbl cbm cbo cbu ccb ccc ccd ccl ccm cco ccu cdb cdc cdd cdl cdm cdo cdu cl- clb clc cld cll clm clo clu cmb cmc cmd cml cmm cmo cmu co- cob coc cod col com coo cou cub cuc cud cul cum cuo cuu dbb dbc dbd dbl dbm dbo dbu dcb dcc dcd dcl dcm dco dcu ddb ddc ddd ddl ddm ddo ddu dl- dlb dlc dld dll dlm dlo dlu dmb dmc dmd dml dmm dmo dmu dob doc dod dol dom doo dou dub duc dud dul dum duo lbb lbc lbd lbl lbm lbo lbu lcb lcc lcd lcl lcm lco lcu ldb ldc ldd ldl ldm ldo ldu llb llc lld lll llm llo llu lmb lmc lmd lml lmm lmo lmu lob loc lod lol lom loo lou lub luc lud lul lum luo luu m-o mbb mbc mbd mbl mbm mbo mbu mc- mcb mcc mcd mcl mcm mco mcu mdb mdc mdd mdl mdm mdo mdu mlb mlc mld mll mlm mlo mlu mmb mmc mmd mml mmm mmo mmu mob moc mod mol mom moo mou mub muc mud mul mum muu ob- obb obc obd obl obm obo obu oc- ocb occ ocd ocl ocm oco ocu odb odc odd odl odm odo odu olb olc old oll olm olo olu om- omb omc omd oml omm omo omu oo- oob ooc ood ool oom ooo ou- ouc oud oul oum ouo ubb ubc ubl ubo ubu ucb ucc ucd ucl ucm uco ucu udb udc udd udl udm udo udu ulb ulc uld ull ulm ulo ulu um- umb umc umd uml umm umo umu uob uoc uod uol uom uoo uuc uum uuu