b-u bbb bbc bbd bbe bbh bbk bbl bbu bcb bcc bcd bce bch bck bcl bcu bdb bdc bdd bde bdh bdk bdl bdu be- beb bec bed bee beh bek bel beu bhb bhc bhd bhe bhh bhk bhl bhu bkb bkc bke bkk bkl blb blc bld ble blh blk bll blu bub buc bud bue buh buk bul buu c-- cbb cbc cbd cbe cbh cbk cbl cbu ccb ccc ccd cce cch cck ccl ccu cdb cdc cdd cde cdh cdk cdl cdu ce- ceb cec ced cee ceh cek cel ceu ch- chb chc chd che chh chk chl chu ckb ckc ckd ckh cl- clb clc cld cle clh clk cll clu cub cuc cud cue cuh cuk cul cuu dbb dbc dbd dbe dbh dbk dbl dbu dcb dcc dcd dce dck dcl dcu ddb ddc ddd dde ddh ddk ddl ddu de- deb dec ded dee deh dek del deu dh- dhb dhc dhd dhe dhh dhk dhl dhu dkb dkc dke dkk dkl dku dl- dlb dlc dld dle dlh dlk dll dlu dub duc dud due duh duk dul ebb ebc ebd ebe ebh ebk ebl ebu ec- ecb ecc ecd ece ech eck ecl ecu ed- edb edc edd ede edh edk edl edu eeb eec eed eee eek eel ehb ehc ehd ehe ehh ehl ehu ekb ekc ekd eke ekh ekl eku elb elc eld ele elh elk ell elu eu- eub euc eud eue eul hbb hbc hbd hbe hbh hbk hbl hbu hcb hcc hcd hce hch hck hcl hdb hdc hdd hde hdh hdk hdl hdu he- heb hec hed hee heh hek hel heu hhb hhc hhd hhe hhh hhk hhl hhu hkb hkd hkh hkk hkl hku hlb hlc hld hle hlh hll hlu hub huc hud hue huh huk hul huu kbb kbc kbd kbe kbh kbk kbl kbu kcb kcc kcd kce kch kck kcl kcu kdb kdc kde kdh kdk kdl kdu ke- keb kec ked kee keh kek kel khe khh khk khu kkb kkc kke kkh kkk kkl kku kl- klb klc kld klh klu kub kuc kud kue kuh kuk kul kuu lbb lbc lbd lbe lbh lbk lbl lbu lcb lcc lcd lce lch lck lcl lcu ldb ldc ldd lde ldh ldk ldl ldu leb lec led lee leh lek lel leu lhb lhc lhd lhh lhk lhu lkb lkh lkl llb llc lld lle llk lll llu lub luc lud lue luh luk lul luu ubb ubc ube ubh ubk ubl ubu ucb ucc ucd uce uch uck ucl ucu udb udc udd ude udk udl udu ueb uec ued uee ueh uel uhb uhc uhd uhe uhh uhl uhu ukb ukc uke ukk ukl uku ulb ulc uld ule ulk ull ulu uuc uue uuu

bbbb bbch bbdd bbeb bblb bcbc bccc bccl bcde bcec bchd bche bcuc bdbc bddc bddh bdle bebb bebe bech beck becu bede bedl bedu beeb beed beek beel beke beld bele belk bell belu beuk bhcc bhdl bhel bhuu blcu bldc bleb bled blee bleh blek bleu blkb blkd blub blud blue bubb bube bubu bucc buce buch buck bucu budb budd bude budl budu buel bueu buhe buhl buke bukh bukk buku bulb buld bule bulk bull bulu c-cd cbbc cbcc cbce cbcl cbcu cbdb cbdc cbec cbee cbhl cbkl cblb cblc ccbc cccb cccc cccl cccu ccdc ccdh cced ccee ccel cche cchl cclc ccuc cd-e cddb cddl cdec cebu cec- cece cedd cede cedu ceeb ceec ceel cehl ceke cel- celc cele cell chce chch cheb chec ched chee cheh chek chel cheu chkb chlc chub chud chuk chul ckbc ckbe ckch ckck ckcl ckdu clcd cldc clec cled clee clek cleu club clud clue cluh cub- cubb cube cucc cuce cuck cude cued cuek cuk- cuke culb culc culd cule culk cull dbcc dcbc dccb dccc dccl dccu dcdb dche dddd ddlc ddub debe debu dec- decc decd dece deck decl dedd dede dedu deeb deed deek deel dehu dek- deke dekh deld dele delk dell deue deuk deul dhec dhed dhee dhul dkdc dlbd dub- dubb dubc dube dubh dubu duce duch duck dudd dude dudu duel duhe duhl duhu duke duku dulc dule dull dulu duul e-cl ebbc ebcc ebed ebel ebul ecbc ecbe eccb eccc ecce eccl ecdc ecdl eced eche echl eddc edde ede- edeh edel edle educ eede eedu eeee eeke eele ehcc ehdd eheh ehel eheu ehle ehud ekch ekeb eked ekek el-b elbe elbu elcb elce elch elde elec eled elee eleh elek elke elle ellu elue elul eubc eucd euch eude euhl eule hbcd hcbc hccb hccc hcch hdbk hebb hebe hech heck hedd hede heeb heed heek heel hehe heke heku held hele helk hell helu heue heuk hhcl hhhh hkbu hkcc hkcl hkdl hlde hluk hlul hubb hube hubl huch huck hucu hudd hude hudl hudu hued huel huhu huke hulc huld hule hulk hull hulu huub kbbb kbbc kbbd kbbe kbbk kbbl kbbu kbcb kbce kbch kbck kbcl kbcu kbdb kbde kbdl kbeb kbec kbed kbee kbeh kbek kbel kbhb kbhc kbhe kbhh kbhl kbkb kbkk kbkl kblb kbld kble kbll kblu kbub kbuc kbud kbue kbuk kbul kbuu kcbc kcbd kcbk kcbl kcbu kccb kccc kccd kcck kccl kccu kcdc kcdd kcdu kceb kcec kced kcee kcel kceu kche kchh kchk kchl kchu kckc kckk kckl kclc kcle kclh kclk kcll kclu kcub kcue kcuh kcuk kcul kdbb kdbl kdcc kdcd kdce kddb kddc kddd kddk kddl kdeb kdec kdel kdhl kdkb kdkd kdkk kdlb kdlc kdld kdlh kdll kdub kduc kebb kebc kebe kebu kech keck kedb kedc kedd kede keed keeh keek keel kehk kehl kekb kekc keke kekl keku keld kele kelk kell kelu keul khbc khbd khcb khcc khch khck khdc khdk kheb khec khed khel khhk khhl khke khkk khlc khle khll khub khud khuk kkbb kkbd kkbe kkbl kkcb kkcd kkch kkck kkcl