b-u bbb bbe bbi bbl bbm bbt bbu be- beb bee bei bel bem bet beu bi- bib bie bii bil bim bit biu blb ble bli bll blm blt blu bmb bme bmi bml bmm bmt bmu btb bte bti btl btm btt btu bub bue bui bul bum but buu ebb ebe ebi ebl ebm ebt ebu eeb eee eel eem eet eib eie eii eil eim eit eiu elb ele eli ell elm elt elu em- emb eme emi eml emm emt emu etb ete eti etl etm ett etu eu- eub eue eui eul eut ibb ibe ibi ibl ibm ibt ibu ie- iee iei iel iem iet iib iie iii iil iim iit iiu il- ilb ile ili ill ilm ilt ilu im- imb ime imi iml imm imt imu itb ite iti itl itm itt itu iu- iub iue iui ium iut lbb lbe lbi lbl lbm lbt lbu leb lee lei lel lem let leu lib lie lii lil lim lit liu llb lle lli lll llm llt llu lmb lme lmi lml lmm lmt lmu ltb lte lti ltl ltm ltt ltu lub lue lui lul lum lut luu mbb mbe mbi mbl mbm mbt mbu meb mee mei mel mem met meu mi- mib mie mii mil mim mit miu mlb mle mli mll mlm mlt mlu mmb mme mmi mml mmm mmt mmu mtb mte mti mtl mtm mtt mtu mub mue mui mul mum mut muu tbb tbe tbi tbl tbm tbt tbu te- teb tee tei tel tem tet teu tib tie tii til tim tit tiu tle tli tll tlm tlt tlu tmb tme tmi tml tmm tmt tmu ttb tte tti ttl ttm ttt ttu tub tue tui tul tum tut tuu ubb ube ubi ubl ubt ubu ueb uee uei uel uem uet uib uie uii uil uim uit uiu ulb ule uli ull ulm ult ulu um- umb ume umi uml umm umt umu utb ute uti utl utm utt utu uue uum uut uuu