-ol b-u bbb bbd bbe bbl bbm bbo bbs bbu bdb bdd bde bdl bdm bdo bds bdu be- beb bed bee bel bem beo bes beu blb bld ble bll blm blo bls blu bmb bmd bme bml bmm bmo bms bmu bob bod boe bol bom boo bos bou bsb bsd bse bsl bsm bso bss bsu bub bud bue bul bum buo bus buu dbb dbd dbe dbl dbm dbo dbs dbu ddb ddd dde ddl ddm ddo dds ddu de- deb ded dee del dem deo des deu dl- dlb dld dle dll dlm dlo dls dlu dmb dmd dme dml dmm dmo dms dmu dob dod doe dol dom doo dos dou dsb dsd dse dsl dsm dso dss dsu dub dud due dul dum duo dus ebb ebd ebe ebl ebm ebo ebs ebu ed- edb edd ede edl edm edo eds edu eeb eed eee eel eem eeo ees elb eld ele ell elm elo els elu em- emb emd eme eml emm emo ems emu eo- eob eod eoe eol eom eoo eos eou es- esb esd ese esl esm eso ess esu eu- eub eud eue eul eus lbb lbd lbe lbl lbm lbo lbs lbu ldb ldd lde ldl ldm ldo lds ldu leb led lee lel lem leo les leu llb lld lle lll llm llo lls llu lmb lmd lme lml lmm lmo lms lmu lob lod loe lol lom loo los lou lsb lsd lse lsl lsm lso lss lsu lub lud lue lul lum luo lus luu m-o mbb mbd mbe mbl mbm mbo mbs mbu mdb mdd mde mdl mdm mdo mds mdu meb med mee mel mem meo mes meu mlb mld mle mll mlm mlo mls mlu mmb mmd mme mml mmm mmo mms mmu mob mod moe mol mom moo mos mou msb msd mse msl msm mso mss msu mub mud mue mul mum mus muu ob- obb obd obe obl obm obo obs obu odb odd ode odl odm odo ods odu oeb oed oee oel oem oeo oes olb old ole oll olm olo ols olu om- omb omd ome oml omm omo oms omu oo- oob ood ool oom ooo oos os- osb osd ose osl osm oso oss osu ou- oud oue oul oum ouo ous sbb sbd sbe sbl sbm sbo sbs sbu sdb sdd sde sdl sdm sdo sds sdu se- seb sed see sel sem seo ses seu slb sld sle sll slm slo sls slu smb smd sme sml smm smo sms smu sob sod soe sol som soo sos sou ss- ssb ssd sse ssl ssm sso sss ssu sub sud sue sul sum suo sus suu ubb ube ubl ubo ubs ubu udb udd ude udl udm udo uds udu ueb ued uee uel uem ues ulb uld ule ull ulm ulo uls ulu um- umb umd ume uml umm umo ums umu uob uod uoe uol uom uoo uos usb usd use usl usm uso uss usu uue uum uus uuu