-er b-u bbb bbe bbi bbm bbn bbr bbt bbu be- beb bee bei bem ben ber bet beu bez bi- bib bie bii bim bin bir bit biu biz bmb bme bmi bmm bmn bmr bmt bmu bmz bnb bne bni bnn bnr bnt bnu bnz brb bre bri brm brn brr brt bru brz btb bte bti btm btn btr btt btu btz bub bue bui bum bun bur but buu buz bze bzn bzr bzu bzz ebb ebe ebi ebm ebn ebr ebt ebu eeb eee eem een eer eet eib eie eii eim ein eir eit eiu em- emb eme emi emm emn emr emt emu en- enb ene eni enm enn enr ent enu enz erb ere eri erm ern err ert eru erz etb ete eti etm etn etr ett etu etz eu- eub eue eui eun eur eut eze ezr ezz ibb ibe ibi ibm ibn ibr ibt ibu ibz ie- iee iei iem ien ier iet iib iie iii iim iin iir iit iiu im- imb ime imi imm imn imt imu imz in- inb ine ini inm inn inr int inu ir- irb ire iri irm irn irr irt iru itb ite iti itm itn itt itu itz iu- iub iue iui ium iur iut iuz ize izi izm izu izz m-r mbb mbe mbi mbm mbr mbt mbu meb mee mei mem men mer met meu mez mi- mib mie mii mim min mir mit miu miz mmb mme mmi mmm mmn mmr mmt mmu mmz mnb mne mni mnm mnn mnr mnt mnu mnz mrb mre mri mrm mrn mrr mrt mru mrz mtb mte mti mtm mtn mtr mtt mtu mub mue mui mum mun mur mut muu mzb mzi mzm mzn mzt n-i nbb nbe nbi nbm nbn nbr nbt nbu ne- neb nee nei nem nen ner net neu nez nib nie nii nim nin nir nit niu niz nmb nme nmi nmm nmn nmr nmt nmu nmz nnb nne nni nnm nnn nnt nnu nnz nrb nre nri nrm nrn nrr nrt nru nrz ntb nte nti ntm ntn ntr ntt ntu ntz nub nue nui num nun nur nut nuu nzb nze nzi nzz rbb rbe rbi rbm rbn rbr rbt rbu re- reb ree rei rem ren rer ret reu rez rib rie rii rim rin rir rit riz rmb rme rmi rmm rmn rmr rmt rnb rni rnm rnn rnr rnt rnu rnz rrb rri rrm rrn rrr rrt rru rtb rte rti rtm rtn rtr rtt rtu rtz rub rue rui rum run rur rut ruu ruz rzb rze rzm tbb tbe tbi tbm tbn tbr tbt tbu tbz te- teb tee tei tem ten ter tet teu tez tib tie tii tim tin tir tit tiu tiz tmb tme tmi tmm tmn tmr tmt tmu tmz tnb tne tni tnm tnn tnr tnt tnz trb tre tri trm trn trr trt tru trz ttb tte tti ttm ttn ttr ttt ttu tub tue tui tum tun tur tut tuu tuz tze tzu ubb ube ubi ubn ubr ubt ubu ueb uee uei uem uen uer uet uib uie uii uim uin uir uit uiu um- umb ume umi umm umn umr umt umu un- unb une uni unm unn unr unt unu ur- urb ure uri urm urn urr urt uru urz utb ute uti utm utn utr utt utu utz uue uum uun uur uut uuu uzb uzi uzu zbb zbm zbr zbt zeb zee zem zen zer zet zez zib zie zim zin zir zit ziz zmb zmm zmt zne znn zte ztm ztr zub zui zum zun zur zut zuz zzr zzt zzz