b-u bbb bbc bbd bbk bbl bbm bbs bbu bcb bcc bcd bck bcl bcm bcs bcu bdb bdc bdd bdk bdl bdm bds bdu bkb bkc bkk bkl bkm bks blb blc bld blk bll blm bls blu bmb bmc bmd bmk bml bmm bms bmu bsb bsc bsd bsk bsl bsm bss bsu bub buc bud buk bul bum bus buu c-- cbb cbc cbd cbk cbl cbm cbs cbu ccb ccc ccd cck ccl ccm ccs ccu cdb cdc cdd cdk cdl cdm cds cdu ckb ckc ckd ckm cks cl- clb clc cld clk cll clm cls clu cmb cmc cmd cmk cml cmm cms cmu csb csc csd csk csl csm css csu cub cuc cud cuk cul cum cus cuu dbb dbc dbd dbk dbl dbm dbs dbu dcb dcc dcd dck dcl dcm dcs dcu ddb ddc ddd ddk ddl ddm dds ddu dkb dkc dkk dkl dkm dks dku dl- dlb dlc dld dlk dll dlm dls dlu dmb dmc dmd dmk dml dmm dms dmu dsb dsc dsd dsk dsl dsm dss dsu dub duc dud duk dul dum dus kbb kbc kbd kbk kbl kbm kbs kbu kcb kcc kcd kck kcl kcm kcs kcu kdb kdc kdk kdl kdm kds kdu kkb kkc kkk kkl kkm kks kku kl- klb klc kld klm kls klu kmb kmc kmd kmk kml kmm kms kmu ksb ksc ksd ksk ksl ksm kss ksu kub kuc kud kuk kul kum kus kuu lbb lbc lbd lbk lbl lbm lbs lbu lcb lcc lcd lck lcl lcm lcs lcu ldb ldc ldd ldk ldl ldm lds ldu lkb lkl lks llb llc lld llk lll llm lls llu lmb lmc lmd lmk lml lmm lms lmu lsb lsc lsd lsk lsl lsm lss lsu lub luc lud luk lul lum lus luu mbb mbc mbd mbk mbl mbm mbs mbu mc- mcb mcc mcd mck mcl mcm mcs mcu mdb mdc mdd mdk mdl mdm mds mdu mkb mkc mkd mkk mkl mkm mks mku mlb mlc mld mlk mll mlm mls mlu mmb mmc mmd mmk mml mmm mms mmu msb msc msd msk msl msm mss msu mub muc mud muk mul mum mus muu sbb sbc sbd sbk sbl sbm sbs sbu scb scc scd sck scl scm scs scu sdb sdc sdd sdk sdl sdm sds sdu sk- skb skc skd skk skl skm sks sku slb slc sld slk sll slm sls slu smb smc smd smk sml smm sms smu ss- ssb ssc ssd ssk ssl ssm sss ssu sub suc sud suk sul sum sus suu ubb ubc ubk ubl ubs ubu ucb ucc ucd uck ucl ucm ucs ucu udb udc udd udk udl udm uds udu ukb ukc ukk ukl uku ulb ulc uld ulk ull ulm uls ulu um- umb umc umd uml umm ums umu usb usc usd usk usl usm uss usu uuc uum uus uuu

bbbb bbbs bbcm bbdd bblb bbls bcbc bcbs bccc bccl bccm bccs bcds bcms bcsc bcsl bcsm bcss bcuc bdbc bddc bdls bdsd bdsm blcu bldc blkb blkd blls blss blub blud blum blus bmdb bmus bsbd bscs bsdl bslc bsms bssc bssd bssm bubb bubs bubu bucc buck bucs bucu budb budd budl buds budu bukk buku bulb buld bulk bull buls bulu bum- bumb bums busc busk buss busu buus c-cd cbbc cbbs cbcc cbcl cbcm cbcs cbcu cbdb cbdc cbds cbkl cbkm cblb cblc cbms cbsc cbsm cbus ccbc cccb cccc cccl cccm cccs cccu ccdc ccdm ccds cckm cclc cclm ccls ccmb ccmc ccmd ccmm ccms ccsd ccsl ccss ccuc ccus cdcs cddb cddl cdls cdms cdss ckbc ckck ckcl ckcm ckcs ckdm ckdu cklm ckml cksb cksl clcd cldc clmd clsc clsm club clud clum cmbc cmbs cmcc cmcs cmdb cmll cmmb cmmc cmml cmms cmsc cmus csbm cscb cscc cscd cscl cscs csdb csks csld cslu csmc csmu cssd cssm csum csus cub- cubb cubs cucc cuck cucm cuds cuk- culb culc culd culk cull culm culs cum- cums cusb cusd cusk cuss cusu dbcc dbcs dbls dbms dbss dbus dcbc dccb dccc dccl dccs dccu dcdb dcds dcls dcml dcms dcmu dcsc dcss dddd ddlc ddss ddub dkdc dkms dlbd dlcs dmcc dmcm dmcs dmdc dmds dmss dmus dsbc dscc dscs dsdm dsls dsmb dsmc dsml dsms dssc dub- dubb dubc dubs dubu duck ducs dudd duds dudu duku dulc dull dulu dumb dumm dums dusk duul kbbb kbbc kbbd kbbk kbbl kbbm kbbs kbbu kbcb kbck kbcl kbcs kbcu kbdb kbdl kbds kbkb kbkk kbkl kblb kbld kbll kblm kbls kblu kbmb kbmc kbms kbsb kbsk kbsm kbss kbsu kbub kbuc kbud kbuk kbul kbus kbuu kcbc kcbd kcbk kcbl kcbs kcbu kccb kccc kccd kcck kccl kccu kcdc kcdd kcds kcdu kckc kckk kckl kckm kclc kclk kcll kclm kcls kclu kcmb kcmc kcmd kcmk kcml kcmm kcms kcsb kcsc kcsd kcsm kcss kcsu kcub kcuk kcul kdbb kdbl kdbm kdbs kdcc kdcd kddb kddc kddd kddk kddl kdkb kdkd kdkk kdlb kdlc kdld kdll kdlm kdls kdmc kdmd kdms kdsc kdsd kdsk kdsl kdsm kdss kdsu kdub kduc kdus kkbb kkbd kkbl kkbs kkcb kkcd kkck kkcl kkcm kkcs kkdc kkdd kkdl kkdm kkkk kklb kklc kkld kkll kkls kkmc kkmk kkml kkms kksd kksm kkss kksu kkus kkuu klbb klbc klbd klbl klbm klbs klbu klcb klcc klcd klck klcl klcm klcs kldc kldd klds klkc klkk klkl klks kllb kllc kllk klls klmk klmm klms klsc klsd klsm klsu klub kluk klum kluu kmbc kmbd kmbl kmbs kmcb kmcc kmcd kmcl kmcm kmcs kmcu kmdb kmdl kmds kmkk kmkl kmks kmlb kmld kmlk kmls kmlu kmmk kmml kmmm kmms kmsb kmsc kmsd kmsl kmss kmsu kmuc kmud kmul kmus ksbc ksbl ksbs kscb ksck kscl kscm kscs kscu ksdc ksdk ksdl ksdm ksds kskb kskd kskk ksks ksku kslb kslc ksld kslk ksll kslm kslu ksmb ksmc ksmd ksml ksmm ksms ksmu kssl