-ol b-u bbb bbd bbl bbm bbn bbo bbt bbu bdb bdd bdl bdm bdo bdt bdu blb bld bll blm bln blo blt blu bmb bmd bml bmm bmn bmo bmt bmu bnb bnd bnl bnn bno bnt bnu bob bod bol bom bon boo bot bou btb btd btl btm btn bto btt btu bub bud bul bum bun buo but buu dbb dbd dbl dbm dbn dbo dbt dbu ddb ddd ddl ddm ddn ddo ddt ddu dl- dlb dld dll dlm dlo dlt dlu dmb dmd dml dmm dmn dmo dmt dmu dnb dnd dnl dnm dnn dno dnt dob dod dol dom don doo dot dou dtb dtd dtl dtm dtn dto dtt dtu dub dud dul dum dun duo dut lbb lbd lbl lbm lbo lbt lbu ldb ldd ldl ldm ldn ldo ldt ldu llb lld lll llm lln llo llt llu lmb lmd lml lmm lmn lmo lmt lmu lnb lnd lnl lnm lnn lno lnt lnu lob lod lol lom lon loo lot lou ltb ltd ltl ltm lto ltt ltu lub lud lul lum lun luo lut luu m-o mbb mbd mbl mbm mbo mbt mbu mdb mdd mdl mdm mdn mdo mdt mdu mlb mld mll mlm mln mlo mlt mlu mmb mmd mml mmm mmn mmo mmt mmu mnb mnl mnm mnn mno mnt mnu mob mod mol mom mon moo mot mou mtb mtd mtl mtm mtn mto mtt mtu mub mud mul mum mun mut muu nbb nbd nbl nbm nbn nbo nbt nbu ndb ndd ndl ndm ndn ndo ndt ndu nlb nld nll nlm nln nlo nlt nlu nmb nmd nml nmm nmn nmo nmt nmu nnb nnl nnm nnn nno nnt nnu no- nob nod nol nom non noo not nou ntb ntd ntm ntn nto ntt ntu nub nud nul num nun nuo nut nuu ob- obb obd obl obm obn obo obt obu odb odd odl odm odn odo odt odu olb old oll olm oln olo olt olu om- omb omd oml omm omn omo omt omu on- onb ond onl onn ono ont onu oo- oob ood ool oom oon ooo oot ot- otb otd otl otm otn oto ott otu ou- oud oul oum oun ouo out tbb tbd tbl tbm tbn tbo tbt tbu tdb tdd tdl tdm tdn tdo tdt tdu tld tll tlm tln tlo tlt tlu tmb tmd tml tmm tmn tmo tmt tmu tnb tnd tnl tnm tnn tno tnt to- tob tod tol tom ton too tot tou ttb ttd ttl ttm ttn tto ttt ttu tub tud tul tum tun tuo tut tuu ubb ubl ubn ubo ubt ubu udb udd udl udm udn udo udt udu ulb uld ull ulm uln ulo ult ulu um- umb umd uml umm umn umo umt umu un- unb und unl unm unn uno unt unu uob uod uol uom uon uoo uot utb utd utl utm utn uto utt utu uum uun uut uuu