b-u bbb bbe bbi bbm bbt bbu be- beb bee bei bem bet beu bi- bib bie bii bim bit biu bmb bme bmi bmm bmt bmu btb bte bti btm btt btu bub bue bui bum but buu ebb ebe ebi ebm ebt ebu eeb eee eem eet eib eie eii eim eit eiu em- emb eme emi emm emt emu etb ete eti etm ett etu eu- eub eue eui eut ibb ibe ibi ibm ibt ibu ie- iee iei iem iet iib iie iii iim iit iiu im- imb ime imi imm imt imu itb ite iti itm itt itu iu- iub iue iui ium iut mbb mbe mbi mbm mbt mbu meb mee mei mem met meu mi- mib mie mii mim mit miu mmb mme mmi mmm mmt mmu mtb mte mti mtm mtt mtu mub mue mui mum mut muu tbb tbe tbi tbm tbt tbu te- teb tee tei tem tet teu tib tie tii tim tit tiu tmb tme tmi tmm tmt tmu ttb tte tti ttm ttt ttu tub tue tui tum tut tuu ubb ube ubi ubt ubu ueb uee uei uem uet uib uie uii uim uit uiu um- umb ume umi umm umt umu utb ute uti utm utt utu uue uum uut uuu