b-u bbb bbc bbd bbe bbh bbl bbn bbu bcb bcc bcd bce bch bcl bcn bcu bdb bdc bdd bde bdh bdl bdu be- beb bec bed bee beh bel ben beu bhb bhc bhd bhe bhh bhl bhu blb blc bld ble blh bll bln blu bnb bnc bnd bne bnl bnn bnu bub buc bud bue buh bul bun buu c-- cbb cbc cbd cbe cbh cbl cbn cbu ccb ccc ccd cce cch ccl ccn ccu cdb cdc cdd cde cdh cdl cdn cdu ce- ceb cec ced cee ceh cel cen ceu ch- chb chc chd che chh chl chn chu cl- clb clc cld cle clh cll cln clu cn- cnb cnc cnd cne cnh cnl cnn cnu cub cuc cud cue cuh cul cun cuu dbb dbc dbd dbe dbh dbl dbn dbu dcb dcc dcd dce dcl dcn dcu ddb ddc ddd dde ddh ddl ddn ddu de- deb dec ded dee deh del den deu dh- dhb dhc dhd dhe dhh dhl dhu dl- dlb dlc dld dle dlh dll dlu dnb dnc dnd dne dnh dnl dnn dub duc dud due duh dul dun ebb ebc ebd ebe ebh ebl ebn ebu ec- ecb ecc ecd ece ech ecl ecn ecu ed- edb edc edd ede edh edl edn edu eeb eec eed eee eel een ehb ehc ehd ehe ehh ehl ehn ehu elb elc eld ele elh ell eln elu en- enb enc end ene enh enl enn enu eu- eub euc eud eue eul eun hbb hbc hbd hbe hbh hbl hbn hbu hcb hcc hcd hce hch hcl hcn hdb hdc hdd hde hdh hdl hdn hdu he- heb hec hed hee heh hel hen heu hhb hhc hhd hhe hhh hhl hhn hhu hlb hlc hld hle hlh hll hln hlu hnb hnc hnd hne hnh hnl hnn hnu hub huc hud hue huh hul hun huu lbb lbc lbd lbe lbh lbl lbu lcb lcc lcd lce lch lcl lcn lcu ldb ldc ldd lde ldh ldl ldn ldu leb lec led lee leh lel len leu lhb lhc lhd lhh lhu llb llc lld lle lll lln llu lnb lnc lnd lne lnh lnl lnn lnu lub luc lud lue luh lul lun luu nbb nbc nbd nbe nbl nbn nbu ncb ncc ncd nce nch ncl ncn ncu ndb ndc ndd nde ndh ndl ndn ndu ne- neb nec ned nee neh nel nen neu nhb nhc nhd nhe nhh nhl nhn nhu nlb nlc nld nle nlh nll nln nlu nnb nnc nne nnh nnl nnn nnu nub nuc nud nue nuh nul nun nuu ubb ubc ube ubh ubl ubn ubu ucb ucc ucd uce uch ucl ucn ucu udb udc udd ude udl udn udu ueb uec ued uee ueh uel uen uhb uhc uhd uhe uhh uhl uhu ulb ulc uld ule ull uln ulu un- unb unc und une unh unl unn unu uuc uue uun uuu

-ene bbbb bbch bbdd bbeb bblb bcbc bccc bccl bcde bcec bchd bche bcnu bcuc bdbc bddc bddh bdle bebb bebe bech becu bede bedl bedu beeb beed beel been behn beld bele bell belu bend bene benn benu bhcc bhdl bhel bhuu blcu bldc bleb bled blee bleh bleu blub blud blue bubb bube bubu bucc buce buch bucu budb budd bude budl budu buel buen bueu buhe buhl bulb buld bule bull bulu bunb bund bune bunn bunu c-cd cbbc cbcc cbce cbcl cbcn cbcu cbdb cbdc cbdn cbec cbee cbhl cblb cblc cbln cbnd ccbc ccbn cccb cccc cccl cccu ccdc ccdh ccdn cced ccee ccel cche cchl cclc ccnb ccnc ccne ccnu ccuc cd-e cddb cddl cdec cdnb cdnc cebu cec- cece cedd cede cedu ceeb ceec ceel cehl cel- celc cele cell cen- cend cene chce chch cheb chec ched chee cheh chel chen cheu chlc chln chnb chnc chnl chub chud chul chun clcd cldc clec cled clee cleu club clud clue cluh clun cnbc cnbl cndd cnel cub- cubb cube cucc cuce cucn cude cued culb culc culd cule cull cund cune dbcc dbnl dcbc dccb dccc dccl dccu dcdb dche dddd ddlc ddub debe debu dec- decc decd dece decl dedd dede dedu deeb deed deel deen dehn dehu deld dele dell dene denn denu deue deul dhec dhed dhee dhul dhun dlbd dnce dub- dubb dubc dube dubh dubu duce duch dudd dude dudu duel duhe duhl duhu dulc dule dull dulu dunc dune dunn duul e-cl ebbc ebcc ebed ebel eben ebul ecbc ecbe eccb eccc ecce eccl ecdc ecdl eced eche echl ecne eddc edde ede- edeh edel eden edle ednl educ edun eede eedu eeee eele eend ehcc ehdd eheh ehel ehen eheu ehle ehud el-b elbe elbu elcb elce elch elde elec eled elee eleh elen elle ellu elne elue elul enb- enbn ence ench encl end- ende endh endu ened enee enel ennc enne ennu enue eubc eucd euch eude euhl eule hbcd hcbc hccb hccc hcch hebb hebe hech hedd hede heeb heed heel hehe hehn held hele hell helu hend hene henh henn henu heue heun hhcl hhhh hlde hlul hnce hndd hubb hube hubl huch hucu hudd hude hudl hudu hued huel huhn huhu hulc huld hule hull hulu hunc hund hune hunh huub lbcc lcbc lccc lcce lcdd lchc le-u lebd lebu lece lech lede leed leel leen lehe lehu lele lell lelu lend lene lenn leuc leud leun lhec lhee lhhh lhun llcc lldb lldc lleu lllc llll llud lndn lube luce luch ludd lude lued luhe luhu lule lull lulu lund lune lunn nbbc nbcc nbhd ncbc nccc nccn nccu ncdc ncdn ncdu ncec nced ncee ncel ncen nchc nchd nclc ncln ncnc ncnd ncue ndcc nddb ndde nebb nebe nebn nebu necc nece nech nedc nedd nede nedu neeb need neel neen nehe nehu nelc neld nele nell nend nene nenh nenu neuc neue neun neuu nhcc nheb nhhl