bbb bbe bbg bbi bbl bbs bbt be- beb bee beg bei bel bes bet bez bgb bge bgg bgi bgl bgs bgt bgz bi- bib bie big bii bil bis bit biz blb ble blg bli bll bls blt blz bsb bse bsg bsi bsl bss bst btb bte btg bti btl bts btt btz bze bzs bzz ebb ebe ebg ebi ebl ebs ebt eeb eee eeg eel ees eet egb ege egg egi egl egs egt eib eie eig eii eil eis eit elb ele elg eli ell els elt elz es- esb ese esg esi esl ess est etb ete etg eti etl ets ett etz eze ezs ezz gbe gbg gbi gbl gbs gbt gbz ge- geb gee geg gei gel ges get gez ggb ggg ggi ggs ggt ggz gib gie gig gii gil gis git giz glb gle glg gli gll gls glt glz gsb gse gsg gsi gsl gss gst gtb gte gtg gti gtl gts gtt ibb ibe ibg ibi ibl ibs ibt ibz ie- iee ieg iei iel ies iet igb ige igg igi igl igs igt iib iie iii iil iis iit il- ilb ile ilg ili ill ils ilt ilz is- isb ise isg isi isl iss ist itb ite itg iti itl its itt itz ize izi izz lbb lbe lbg lbi lbl lbs lbt leb lee leg lei lel les let lez lgb lge lgg lgi lgl lgs lgt lib lie lig lii lil lis lit liz llb lle llg lli lll lls llt llz lsb lse lsg lsi lsl lss lst lsz ltb lte ltg lti ltl lts ltt ltz lzi lzs sbb sbe sbg sbi sbl sbs sbt se- seb see seg sei sel ses set sez sgb sge sgg sgi sgl sgs sgt sib sie sig sii sil sis sit slb sle slg sli sll sls slt ss- ssb sse ssg ssi ssl sss sst ssz stb ste stg sti stl sts stt stz sze szi szl tbb tbe tbg tbi tbl tbs tbt tbz te- teb tee teg tei tel tes tet tez tgb tge tgg tgi tgl tgs tgt tgz tib tie tig tii til tis tit tiz tle tlg tli tll tls tlt tlz tsb tse tsg tsi tsl tss tst ttb tte ttg tti ttl tts ttt tze tzs z-g zbb zbl zbs zbt zeb zee zel zes zet zez zgb zgg zgi zgs zib zie zig zil zis zit ziz zlt zse zsg zsi zsl zst zsz zte ztl zzs zzt zzz