-ic b-u bbb bbc bbd bbe bbi bbk bbl bbu bcb bcc bcd bce bci bck bcl bcu bdb bdc bdd bde bdi bdk bdl bdu be- beb bec bed bee bei bek bel beu bi- bib bic bid bie bii bik bil biu bkb bkc bke bkk bkl blb blc bld ble bli blk bll blu bub buc bud bue bui buk bul buu c-- cbb cbc cbd cbe cbi cbk cbl cbu ccb ccc ccd cce cci cck ccl ccu cdb cdc cdd cde cdi cdk cdl cdu ce- ceb cec ced cee cei cek cel ceu ci- cib cic cid cie cii cik cil ciu ckb ckc ckd cki cl- clb clc cld cle cli clk cll clu cub cuc cud cue cui cuk cul cuu dbb dbc dbd dbe dbi dbk dbl dbu dcb dcc dcd dce dci dck dcl dcu ddb ddc ddd dde ddi ddk ddl ddu de- deb dec ded dee dei dek del deu di- dib dic did die dii dik dil diu dkb dkc dke dki dkk dkl dku dl- dlb dlc dld dle dli dlk dll dlu dub duc dud due dui duk dul ebb ebc ebd ebe ebi ebk ebl ebu ec- ecb ecc ecd ece eci eck ecl ecu ed- edb edc edd ede edi edk edl edu eeb eec eed eee eek eel eib eic eid eie eii eik eil eiu ekb ekc ekd eke eki ekl eku elb elc eld ele eli elk ell elu eu- eub euc eud eue eui eul i-d ibb ibc ibd ibe ibi ibk ibl ibu icb icc icd ice ici ick icl icu idb idc idd ide idi idk idl idu ie- iec ied iee iei iek iel iib iic iid iie iii iil iiu ikb ikc ike iki ikk ikl iku il- ilb ilc ild ile ili ilk ill ilu iu- iub iuc iud iue iui kbb kbc kbd kbe kbi kbk kbl kbu kcb kcc kcd kce kci kck kcl kcu kdb kdc kde kdk kdl kdu ke- keb kec ked kee kei kek kel kib kic kid kie kii kik kil kiu kkb kkc kke kki kkk kkl kku kl- klb klc kld kli klu kub kuc kud kue kui kuk kul kuu lbb lbc lbd lbe lbi lbk lbl lbu lcb lcc lcd lce lci lck lcl lcu ldb ldc ldd lde ldi ldk ldl ldu leb lec led lee lei lek lel leu lib lic lid lie lii lik lil liu lkb lkl llb llc lld lle lli llk lll llu lub luc lud lue lui luk lul luu ubb ubc ube ubi ubk ubl ubu ucb ucc ucd uce uci uck ucl ucu udb udc udd ude udi udk udl udu ueb uec ued uee uei uel uib uic uid uie uii uil uiu ukb ukc uke uki ukk ukl uku ulb ulc uld ule uli ulk ull ulu uuc uue uuu

bbbb bbci bbdd bbeb bblb bcbc bccc bcci bccl bcde bcec bcie bcuc bdbc bddc bdii bdle bebb bebe bebi beci beck becu bede bedi bedl bedu beeb beed beek beel beic beik beil beke beki beld bele beli belk bell belu beuk bibb bibe bibi bibl bicc bice bici bick bide bidi bidu bieb bied biel bieu bike biku bild bile bili bilk bill bilu blcu bldc bleb bled blee blei blek bleu blic blik blkb blkd blub blud blue bubb bube bubi bubu bucc buce buci buck bucu budb budd bude budi budl budu buel bueu buic buid buie buik buiu buke buki bukk buku bulb buld bule buli bulk bull bulu c-cd cbbc cbcc cbce cbcl cbcu cbdb cbdc cbdi cbec cbee cbid cbkl cblb cblc ccbc cccb cccc ccci cccl cccu ccdc ccdi cced ccee ccel ccic ccid ccii ccil cclc ccli ccuc cd-e cddb cddl cdec cdic cdii cdli cebu cec- cece ceci cedd cede cedi cedu ceeb ceec ceel ceil ceke cel- celc cele celi cell ceui cibc cibe cibi cicc cici cicu cidc cide cidi ciee ciel ciid ciii cili cilk cill ciuc ckbc ckbe ckbi ckck ckcl ckdu clcd cldc clec cled clee clei clek cleu clib clic clii clik club clud clue cub- cubb cube cubi cucc cuce cuci cuck cude cudi cued cuek cui- cuil cuk- cuke culb culc culd cule culk cull dbcc dcbc dccb dccc dcci dccl dccu dcdb dcii dcil dcli dddd ddie ddlc ddub debe debi debu dec- decc decd dece deci deck decl dedd dede dedi dedu deeb deed deek deel deid deie deil dek- deke deld dele deli delk dell deue deuk deul dibb dibe dice dici dick dide didi didu dieb died diel dieu diii dike diki diku dile dili dilk dill dkdc dkid dlbd dlib dlii dlil dub- dubb dubc dube dubu duce duck dudd dude dudu duel duid duil duke duki duku dulc dule duli dull dulu duul e-cl ebbc ebcc ebed ebel ebic ebid ebli ebul ecbc ecbe eccb eccc ecce ecci eccl ecdc ecdl eced ecib ecil eddc edde eddi ede- edei edel edie edik edil edle educ eede eedu eeee eeke eele eick eid- eide eidi eidu eiec eied eiei eike eiki eild eile ekeb eked ekek ekki el-b elbe elbi elbu elcb elce elde eldi elec eled elee elek elic elid elie elik elil elke elki elle elli ellu elue elui elul eubc eubi eucd eude eule i-be ibec ibed ibid ibie ible icbc icbd iccb iccc icci iccl iccu icdc icdd icde icdl icec iced icee icel icke icle icll icub icue idbe idce idec ided idee idel idic idid idie idil idku idle idli idub iecc ieie ield iele ieud iicd iide iied iiie iiii iiuc ikee ikid ikki ikue ilbc ilcd ilce ilde ile- ilec iled ilek ilic ilie ilke ilki ilku ill- illd ille illi ilud iucc iuce iuel iuiu k-ci k-id kbbb kbbc kbbd kbbe kbbi kbbk kbbl kbbu kbcb kbce kbci kbck kbcl kbcu kbdb kbde kbdi kbdl kbeb kbec kbed kbee kbek