-er b-u bbb bbe bbi bbk bbl bbr bbt bbu be- beb bee bei bek bel ber bet beu bez bi- bib bie bii bik bil bir bit biu biz bkb bke bkk bkl bkr bkt blb ble bli blk bll blr blt blu blz brb bre bri brk brl brr brt bru brz btb bte bti btk btl btr btt btu btz bub bue bui buk bul bur but buu buz bze bzr bzu bzz ebb ebe ebi ebk ebl ebr ebt ebu eeb eee eek eel eer eet eib eie eii eik eil eir eit eiu ekb eke eki ekl ekr ekt eku elb ele eli elk ell elr elt elu elz erb ere eri erk erl err ert eru erz etb ete eti etk etl etr ett etu etz eu- eub eue eui eul eur eut eze ezr ezz ibb ibe ibi ibk ibl ibr ibt ibu ibz ie- iee iei iek iel ier iet iib iie iii iil iir iit iiu ikb ike iki ikk ikl ikr ikt iku il- ilb ile ili ilk ill ilr ilt ilu ilz ir- irb ire iri irk irl irr irt iru itb ite iti itk itl itt itu itz iu- iub iue iui iur iut iuz ize izi izu izz k-t k-z kbb kbe kbi kbk kbl kbr kbu kbz ke- keb kee kei kek kel ker ket kez kib kie kii kik kil kir kit kiu kiz kkb kke kki kkk kkl kkr kkt kku kl- klb kli klr klt klu klz kri krk krl krr krt kru ktb kte ktk ktl ktr ktt ktu kub kue kui kuk kul kur kut kuu lbb lbe lbi lbk lbl lbr lbt lbu leb lee lei lek lel ler let leu lez lib lie lii lik lil lir lit liu liz lkb lkl lkr lkt llb lle lli llk lll llr llt llu llz lrb lri lrk lrr lrt lru lrz ltb lte lti ltk ltl ltr ltt ltu ltz lub lue lui luk lul lur lut luu luz lzi lzr lzu rbb rbe rbi rbk rbl rbr rbt rbu re- reb ree rei rek rel rer ret reu rez rib rie rii rik ril rir rit riz rkb rke rkk rkt rku rkz rle rli rll rlr rlt rlu rrb rri rrk rrl rrr rrt rru rtb rte rti rtk rtl rtr rtt rtu rtz rub rue rui ruk rur rut ruu ruz rzb rze tbb tbe tbi tbk tbl tbr tbt tbu tbz te- teb tee tei tek tel ter tet teu tez tib tie tii tik til tir tit tiu tiz tkb tke tkk tkl tkr tkt tkz tle tli tlk tll tlr tlt tlu tlz trb tre tri trk trl trr trt tru trz ttb tte tti ttk ttl ttr ttt ttu tub tue tui tuk tul tur tut tuu tuz tze tzu ubb ube ubi ubk ubl ubr ubt ubu ueb uee uei uel uer uet uib uie uii uil uir uit uiu ukb uke uki ukk ukl ukr uku ukz ulb ule uli ulk ull ulr ult ulu ur- urb ure uri urk url urr urt uru urz utb ute uti utk utl utr utt utu utz uue uur uut uuu uzb uzi uzu zbb zbl zbr zbt zeb zee zek zel zer zet zez zib zie zik zil zir zit ziz zlr zlt zrl zte ztl ztr zub zui zuk zul zur zut zuz zzr zzt zzz

bbbb bbeb bbet bblb bebb bebe bebi beeb beek beel beer beet beik beil beir beit beke beki bele beli belk bell belt belu belz bere beri berk berr bert beru bete beti bett betu betz beuk beur beze bezi bezu bibb bibe bibi bibl bieb biel bier biet bieu bike biku bile bili bilk bill bilt bilu bilz birb bire biri birk birl birr birt biru bite bitt bitu bitz bize bizu bizz blbt bleb blee blei blek blet bleu blik blir blit bliz blkb blub blue blur blut breb bree brei brek brel brer bret brez brie brik bril brit briz brkb brrr brue brut bruz btek btie btrt bttb bubb bube bubi bubu buel buer bueu buie buik buir buit buiu buke buki bukk buku bulb bule buli bulk bull bult bulu bulz bur- burb bure buri burk burl burr burt buru burz but- bute buti butt butz buuz buze buzi buzz bzer bzie bzrk bzzt bzzz ebbr ebel eber ebit ebli ebru ebul ebur eeee eeke eele eete eetu eeze eiei eier eike eiki eile eire eitb eiti eitr ekeb ekek eker eket ekki ekur el-b elbe elbi elbu elee elek eler elet elie elik elil elit eliz elke elki elle elli ellu elte eltz elue elui elul elze erbb erbe ereb erei erel erer eret erez erie erik eril erit eriu eriz erke erki erle erli erll erre ertl ertu ertz erub erur erzi etbr etee etel eter etik etre ette etti ettu etui etuz eubi euer eule eur- eure eurt ezek ezel ezer ezri ezuz i-be ibet ibie ible ibri ibtb ibtl ieet ieie iele iere ieri iett iiie iiii iiit iitr iitt ikee iker ikki ikri ikue ile- ilek iler ilet ilie ilir ilit ilke ilki ilku ill- ille illi illt ilre ilut ilze irbe iree irel irer iri- irie iril irki irlb irre irri irte irti irul itbe itek itel iter itet itie itil itll itri itur iuel iuiu izel izet izki izle izze kbbb kbbe kbbi kbbk kbbl kbbr kbbt kbbu kbbz kbeb kbee kbek kbel kber kbet kbez kbib kbie kbik kbil kbit kbiu kbiz kbkb kbkk kbkl kbkr kbkz kblb kble kbll kblr kblt kblu kblz kbrb kbre kbri kbrk kbrl kbrt kbru kbrz kbtb kbte kbtk kbtl kbtr kbtt kbtz kbub kbue kbuk kbul kbur kbut kbuu kbuz kbze kbzi kbzt kbzu kbzz kebb kebe kebi kebr kebt kebu keek keel keer keet keib keii keik keil keir kekb keke keki kekl keku kele keli kelk kell kelt kelu ker- kerb kere keri kerk