b-u bbb bbc bbe bbl bbn bbs bbu bcb bcc bce bcl bcn bcs bcu be- beb bec bee bel ben bes beu blb blc ble bll bln bls blu bnb bnc bne bnl bnn bns bnu bsb bsc bse bsl bsn bss bsu bub buc bue bul bun bus buu c-- cbb cbc cbe cbl cbn cbs cbu ccb ccc cce ccl ccn ccs ccu ce- ceb cec cee cel cen ces ceu cl- clb clc cle cll cln cls clu cn- cnb cnc cne cnl cnn cns cnu csb csc cse csl csn css csu cub cuc cue cul cun cus cuu ebb ebc ebe ebl ebn ebs ebu ec- ecb ecc ece ecl ecn ecs ecu eeb eec eee eel een ees elb elc ele ell eln els elu en- enb enc ene enl enn ens enu es- esb esc ese esl esn ess esu eu- eub euc eue eul eun eus lbb lbc lbe lbl lbs lbu lcb lcc lce lcl lcn lcs lcu leb lec lee lel len les leu llb llc lle lll lln lls llu lnb lnc lne lnl lnn lns lnu lsb lsc lse lsl lsn lss lsu lub luc lue lul lun lus luu nbb nbc nbe nbl nbn nbs nbu ncb ncc nce ncl ncn ncs ncu ne- neb nec nee nel nen nes neu nlb nlc nle nll nln nls nlu nnb nnc nne nnl nnn nns nnu nsb nsc nse nsl nsn nss nsu nub nuc nue nul nun nus nuu sbb sbc sbe sbl sbn sbs sbu scb scc sce scl scn scs scu se- seb sec see sel sen ses seu slb slc sle sll sln sls slu snb snc sne snl snn sns snu ss- ssb ssc sse ssl ssn sss ssu sub suc sue sul sun sus suu ubb ubc ube ubl ubn ubs ubu ucb ucc uce ucl ucn ucs ucu ueb uec uee uel uen ues ulb ulc ule ull uln uls ulu un- unb unc une unl unn uns unu usb usc use usl usn uss usu uuc uue uun uus uuu

-ene bbbb bbbs bbeb bblb bbls bcbc bcbs bccc bccl bccs bcec bces bcnu bcsc bcsl bcsn bcss bcuc bebb bebe becs becu beeb beel been bees bele bell bels belu bene benn bens benu bes- bese bess blcu bleb blee bles bleu blls blss blub blue blus bnss bscs bseb bsec bsee bses bslc bsns bssc bsse bubb bube bubs bubu bucc buce bucs bucu buel buen bueu bulb bule bull buls bulu bunb bune bunn buns bunu busc buse buss busu buus cbbc cbbs cbcc cbce cbcl cbcn cbcs cbcu cbec cbee cblb cblc cbln cbsc cbse cbsn cbus ccbc ccbn cccb cccc cccl cccs cccu ccee ccel cclc ccls ccnb ccnc ccne ccns ccnu ccsl ccsn ccss ccuc ccus cebs cebu cec- cece cecs ceeb ceec ceel cees cel- celc cele cell cels cen- cene cens cesc cese cess clec clee cles cleu clsc club clue clun cnbc cnbl cnel cnes cnsl cnss cscb cscc csce cscl cscs csec csee cslu csne csse csus cub- cubb cube cubs cucc cuce cucn cues culb culc cule cull culs cune cusb cuss cusu e-cl ebbc ebbs ebcc ebel eben ebes ebul ebus ecbc ecbe eccb eccc ecce eccl eces ecne ecsc ecse ecss ecsu ecus eecs eeee eees eele eels eens eese el-b elbe elbu elcb elce elec elee elen eles elle ells ellu elne else elsu elue elul elus enb- enbn ence encl encs enee enel enes enls ennc enne enns ennu ense ensu enue enus esbs escb esce escs escu esee esel esen eses esne esse essl essu esus eubc eule euse lbcc lbsc lcbc lccc lcce lccs lces lcls lcsc le-u lebu lece leel leen lees lele lell lelu lene lenn lens lese less lesu leuc leun llbs llcc llcs lles lleu lllc llll lnes lsbu lscb lscs lses lube lubs luce lucs lues lule lull lulu lune lunn luns luse luss nbbc nbcc nbcs ncbc ncbs nccc nccn nccs nccu ncec ncee ncel ncen nces nclc ncln ncnc ncsc ncse ncsl ncss ncue nebb nebe nebn nebs nebu necc nece necs neeb neel neen nees nelc nele nell nels nene nens nenu nesb nesc nese nesl nesn ness neuc neue neun neuu nlcc nlcs nlec nlls nlsc nnes nnls nnnn nnsl nnss nscc nscl nscs nseb nsec nsel nsls nssb nssc nsse nsss nsub nubc nube nubl nubs nuce nucs nucu nuee nuel nule null nunc nune nunn nuns nuse nusl nuss nusu sbbs sbcc sbcs sbse sbus sccc scce sccl sccs scec scee scel scl- sclc scls scsc scsl scsn scsu scub scul scun se-c se-e se-n se-s se-u sebe sebs sec- secc sece secn secs secu seeb seec seel seen sees seeu selb sele sell sels selu sene senn sens sesc sese sess seul slcc slcu sleb slee sles slln slsc slsu slub sluc slue sncc sneb snee snel snes snns snub snus ssbn sscc ssce sscs ssec ssee sses sslc ssle ssns sssb sssc ssss sub- subb subl subs suc- succ sucs suee suel suen sues sueu sul- sulc sule sull sulu sun- sunb sune sunn suns sunu sus- suse suss susu suus ubbe uble ubls ucbc ucel uces ucsb ucsc ucsu uele uell uesn uess ulbc ulcc uleb ulee ulen ules ulle ulne ulul ulus unbe uncc unce uncl uncs uneb unec unee unen unes unle unne unns uns- unsc unus usbc usbe usbl usbs uscc usce uscs usee usel usen uses usle uslu usnc usnu ussb ussc usse usss ussu usul usun usus uuen uulu uuuu

bbbee bbuss bccsl bcell bebel bebes becel becue beebe beebs beele beene beens belce belec belee belen beles bellb belle bells belue belus bence bene- benne bennu bense benue benun besee besen besne besse beule blebs bleen blees blese bless bleue bleus blubs blues bubbe buben buble buces bucsu buell bulb- bulbs bulen bull- bulle bulls bulse bulul bulun bulus bunce bunne bunun