b-u bbb bbe bbm bbn bbo bbt bbu be- beb bee bem ben beo bet beu bmb bme bmm bmn bmo bmt bmu bnb bne bnn bno bnt bnu bob boe bom bon boo bot bou btb bte btm btn bto btt btu bub bue bum bun buo but buu ebb ebe ebm ebn ebo ebt ebu eeb eee eem een eeo eet em- emb eme emm emn emo emt emu en- enb ene enm enn eno ent enu eo- eob eoe eom eon eoo eot eou etb ete etm etn eto ett etu eu- eub eue eun eut m-o mbb mbe mbm mbo mbt mbu meb mee mem men meo met meu mmb mme mmm mmn mmo mmt mmu mnb mne mnm mnn mno mnt mnu mob moe mom mon moo mot mou mtb mte mtm mtn mto mtt mtu mub mue mum mun mut muu nbb nbe nbm nbn nbo nbt nbu ne- neb nee nem nen neo net neu nmb nme nmm nmn nmo nmt nmu nnb nne nnm nnn nno nnt nnu no- nob noe nom non noo not nou ntb nte ntm ntn nto ntt ntu nub nue num nun nuo nut nuu ob- obb obe obm obn obo obt obu oeb oee oem oen oeo oet om- omb ome omm omn omo omt omu on- onb one onn ono ont onu oo- oob oom oon ooo oot ot- otb ote otm otn oto ott otu ou- oue oum oun ouo out tbb tbe tbm tbn tbo tbt tbu te- teb tee tem ten teo tet teu tmb tme tmm tmn tmo tmt tmu tnb tne tnm tnn tno tnt to- tob toe tom ton too tot tou ttb tte ttm ttn tto ttt ttu tub tue tum tun tuo tut tuu ubb ube ubn ubo ubt ubu ueb uee uem uen uet um- umb ume umm umn umo umt umu un- unb une unm unn uno unt unu uob uoe uom uon uoo uot utb ute utm utn uto utt utu uue uum uun uut uuu