-er b-u bbb bbd bbe bbi bbk bbl bbr bbu bdb bdd bde bdi bdk bdl bdr bdu be- beb bed bee bei bek bel ber beu bi- bib bid bie bii bik bil bir biu bkb bke bkk bkl bkr blb bld ble bli blk bll blr blu brb brd bre bri brk brl brr bru bub bud bue bui buk bul bur buu dbb dbd dbe dbi dbk dbl dbr dbu ddb ddd dde ddi ddk ddl ddr ddu de- deb ded dee dei dek del der deu di- dib did die dii dik dil dir diu dkb dke dki dkk dkl dkr dku dl- dlb dld dle dli dlk dll dlr dlu drb drd dre dri drk drl drr dru dub dud due dui duk dul dur ebb ebd ebe ebi ebk ebl ebr ebu ed- edb edd ede edi edk edl edr edu eeb eed eee eek eel eer eib eid eie eii eik eil eir eiu ekb ekd eke eki ekl ekr eku elb eld ele eli elk ell elr elu erb erd ere eri erk erl err eru eu- eub eud eue eui eul eur i-d ibb ibd ibe ibi ibk ibl ibr ibu idb idd ide idi idk idl idr idu ie- ied iee iei iek iel ier iib iid iie iii iil iir iiu ikb ike iki ikk ikl ikr iku il- ilb ild ile ili ilk ill ilr ilu ir- irb ird ire iri irk irl irr iru iu- iub iud iue iui iur kbb kbd kbe kbi kbk kbl kbr kbu kdb kde kdk kdl kdr kdu ke- keb ked kee kei kek kel ker kib kid kie kii kik kil kir kiu kkb kke kki kkk kkl kkr kku kl- klb kld kli klr klu krd kri krk krl krr kru kub kud kue kui kuk kul kur kuu lbb lbd lbe lbi lbk lbl lbr lbu ldb ldd lde ldi ldk ldl ldr ldu leb led lee lei lek lel ler leu lib lid lie lii lik lil lir liu lkb lkl lkr llb lld lle lli llk lll llr llu lrb lrd lri lrk lrr lru lub lud lue lui luk lul lur luu rbb rbd rbe rbi rbk rbl rbr rbu rdb rdd rde rdi rdl rdr rdu re- reb red ree rei rek rel rer reu rib rid rie rii rik ril rir rkb rke rkk rku rld rle rli rll rlr rlu rrb rrd rri rrk rrl rrr rru rub rud rue rui ruk rur ruu ubb ube ubi ubk ubl ubr ubu udb udd ude udi udk udl udr udu ueb ued uee uei uel uer uib uid uie uii uil uir uiu ukb uke uki ukk ukl ukr uku ulb uld ule uli ulk ull ulr ulu ur- urb urd ure uri urk url urr uru uue uur uuu

bbbb bbdd bbeb bblb bd-r bdii bdle bebb bebe bebi bede bedi bedl bedu beeb beed beek beel beer beik beil beir beke beki beld bele beli belk bell belu berd bere beri berk berr beru beuk beur bibb bibe bibi bibl bide bidi bidr bidu bieb bied biel bier bieu bike biku bild bile bili bilk bill bilu birb bird bire biri birk birl birr biru bldr bleb bled blee blei blek bleu blik blir blkb blkd blub blud blue blur breb bred bree brei brek brel brer brid brie brik bril brkb brrr brud brue bubb bube bubi bubu budb budd bude budi budl budu buel buer bueu buid buie buik buir buiu buke buki bukk buku bulb buld bule buli bulk bull bulu bur- burb burd bure buri burk burl burr buru dddd ddie ddre ddub debe debi debu dedd dede dedi dedu deeb deed deek deel deer deid deie deil deir dek- deke deld dele deli delk dell der- derb dere deri derk derr deue deuk deul deur dibb dibe dide didi didu dieb died diel dier dieu diii dike diki diku dile dili dilk dill dird dire dirk dirl dirr dkid dlbd dlib dlii dlil dred dree drei drek drel drib drie dril drub drue drui druk druu dub- dubb dube dubu dudd dude dudu duel duer duid duil duir duke duki duku dule duli dull dulu dure duri durk duru duul duur ebbr ebed ebel eber ebid ebli ebru ebul ebur edde eddi ede- edei edel eder edie edik edil edle edru edur eede eedu eeee eeke eele eid- eide eidi eidr eidu eied eiei eier eike eiki eild eile eird eire ekeb eked ekek eker ekki ekur el-b elbe elbi elbu elde eldi eldr eled elee elek eler elid elie elik elil elke elki elle elli ellu elue elui elul erbb erbe erde erdi ereb ered erei erel erer erie erik eril eriu erke erki erld erle erli erll erre erub erur eubi eude euer eule eur- eure i-be ibed ibid ibie ible ibrd ibri idbe ided idee idel ider idid idie idil idir idku idle idli idre idub iedr ieie ield iele iere ieri ieud iide iied iiie iiii ikee iker ikid ikki ikri ikue ilde ile- iled ilek iler ilie ilir ilke ilki ilku ill- illd ille illi ilre ilud irbe ired iree irel irer iri- irid irie iril irki irlb irre irri irul iuel iuiu k-id kbbb kbbd kbbe kbbi kbbk kbbl kbbr kbbu kbdb kbde kbdi kbdl kbdr kbeb kbed kbee kbek kbel kber kbib kbid kbie kbik kbil kbiu kbkb kbkk kbkl kbkr kblb kbld kble kbll kblr kblu kbrb kbrd kbre kbri kbrk kbrl kbru kbub kbud kbue kbuk kbul kbur kbuu kdbb kdbi kdbl kdbr kddb kddd kddi kddk kddl kddr kdeb kdei kdel kdil kdkb kdkd kdkk kdkr kdlb kdld kdll kdlr kdrb kdri kdrl kdub kdur kebb kebe kebi kebr kebu kedb kedd kede kedi kedr keed keek keel keer keib keid keii keik keil keir kekb keke keki kekl keku keld kele keli kelk kell kelu ker- kerb kere keri kerk kerl kerr keru keul keur