-er bbb bbe bbg bbi bbk bbl bbr bbt be- beb bee beg bei bek bel ber bet bez bgb bge bgg bgi bgk bgl bgr bgt bgz bi- bib bie big bii bik bil bir bit biz bkb bke bkg bkk bkl bkr bkt blb ble blg bli blk bll blr blt blz brb bre brg bri brk brl brr brt brz btb bte btg bti btk btl btr btt btz bze bzr bzz ebb ebe ebg ebi ebk ebl ebr ebt eeb eee eeg eek eel eer eet egb ege egg egi egl egr egt eib eie eig eii eik eil eir eit ekb eke ekg eki ekl ekr ekt elb ele elg eli elk ell elr elt elz erb ere erg eri erk erl err ert erz etb ete etg eti etk etl etr ett etz eze ezr ezz gbe gbg gbi gbk gbl gbr gbt gbz ge- geb gee geg gei gek gel ger get gez ggb ggg ggi ggr ggt ggz gib gie gig gii gik gil gir git giz gkb gkt glb gle glg gli glk gll glr glt glz grb gre grg gri grk grl grr grt gtb gte gtg gti gtk gtl gtr gtt gzr ibb ibe ibg ibi ibk ibl ibr ibt ibz ie- iee ieg iei iek iel ier iet igb ige igg igi igk igl igr igt iib iie iii iil iir iit ikb ike iki ikk ikl ikr ikt il- ilb ile ilg ili ilk ill ilr ilt ilz ir- irb ire irg iri irk irl irr irt itb ite itg iti itk itl itt itz ize izi izz k-t k-z kbb kbe kbi kbk kbl kbr kbz ke- keb kee keg kei kek kel ker ket kez kgb kgi kgl kib kie kig kii kik kil kir kit kiz kkb kke kki kkk kkl kkr kkt kl- klb klg kli klr klt klz krg kri krk krl krr krt ktb kte ktg ktk ktl ktr ktt lbb lbe lbg lbi lbk lbl lbr lbt leb lee leg lei lek lel ler let lez lgb lge lgg lgi lgk lgl lgr lgt lib lie lig lii lik lil lir lit liz lkb lkg lkl lkr lkt llb lle llg lli llk lll llr llt llz lrb lrg lri lrk lrr lrt lrz ltb lte ltg lti ltk ltl ltr ltt ltz lzi lzr rbb rbe rbg rbi rbk rbl rbr rbt re- reb ree reg rei rek rel rer ret rez rgb rge rgg rgi rgk rgr rgt rib rie rig rii rik ril rir rit riz rkb rke rkg rkk rkt rkz rle rlg rli rll rlr rlt rrb rrg rri rrk rrl rrr rrt rtb rte rtg rti rtk rtl rtr rtt rtz rzb rze tbb tbe tbg tbi tbk tbl tbr tbt tbz te- teb tee teg tei tek tel ter tet tez tgb tge tgg tgi tgk tgl tgr tgt tgz tib tie tig tii tik til tir tit tiz tkb tke tkg tkk tkl tkr tkt tkz tle tlg tli tlk tll tlr tlt tlz trb tre trg tri trk trl trr trt trz ttb tte ttg tti ttk ttl ttr ttt tze z-g zbb zbl zbr zbt zeb zee zek zel zer zet zez zgb zgg zgi zib zie zig zik zil zir zit ziz zlr zlt zrl zte ztl ztr zzr zzt zzz