-ol bbb bbc bbe bbk bbl bbo bbs bbx bcb bcc bce bck bcl bco bcs bcx be- beb bec bee bek bel beo bes bex bkb bkc bke bkk bkl bko bks bkx blb blc ble blk bll blo bls blx bob boc boe bok bol boo bos box bsb bsc bse bsk bsl bso bss bsx bxb bxl bxo bxx c-- cbb cbc cbe cbk cbl cbo cbs cbx ccb ccc cce cck ccl cco ccs ccx ce- ceb cec cee cek cel ceo ces cex ckb ckc cko cks ckx cl- clb clc cle clk cll clo cls clx co- cob coc coe cok col coo cos cox csb csc cse csk csl cso css csx cxc cxk cxl cxo cxs cxx ebb ebc ebe ebk ebl ebo ebs ebx ec- ecb ecc ece eck ecl eco ecs ecx eeb eec eee eek eel eeo ees eex ekb ekc eke ekl eko eks elb elc ele elk ell elo els elx eo- eob eoc eoe eok eol eoo eos es- esb esc ese esk esl eso ess esx ex- exc exe exl exo exs exx kbb kbc kbe kbk kbl kbo kbs kbx kcb kcc kce kck kcl kcs kcx ke- keb kec kee kek kel keo kes kex kkb kkc kke kkk kkl kks kl- klb klc klo kls klx kob koc koe kok kol koo kos ksb ksc kse ksk ksl kso kss kxl kxo lbb lbc lbe lbk lbl lbo lbs lbx lcb lcc lce lck lcl lco lcs lcx leb lec lee lek lel leo les lex lkb lkl lks llb llc lle llk lll llo lls lob loc loe lok lol loo los lox lsb lsc lse lsk lsl lso lss lxc lxo lxx ob- obb obc obe obk obl obo obs obx oc- ocb occ ock ocl oco ocs ocx oeb oec oee oel oeo oes oex okb okc oke okk okl oko oks olb olc ole olk oll olo ols oo- oob ooc ook ool ooo oos oox os- osb osc ose osk osl oso oss osx ox- oxb oxc oxo oxx sbb sbc sbe sbk sbl sbo sbs sbx scb scc sce sck scl sco scs scx se- seb sec see sek sel seo ses sex sk- skb skc ske skk skl sko sks skx slb slc sle slk sll slo sls slx sob soc soe sok sol soo sos sox ss- ssb ssc sse ssk ssl sso sss ssx sxc sxl sxs xbc xbe xbl xbx xcb xcl xcx xee xel xes xex xkb xke xkl xks xlb xls xoc xok xoo xos xox xsb xsc xsl xss xxl xxo xxx

-ose bbbb bbbs bbeb bblb bbls bbox bcbc bcbs bccc bccl bccs bcec bces bcos bcsc bcsl bcss bebb bebe bebo beck becs beeb beek beel bees beke beko beks bele belk bell belo bels beo- beok beos bes- bese besk beso bess bleb blee blek bleo bles blkb blls blob bloc blok bloo blss bobb bobe bobo bobs boce bock boco bocs boec boee boel boeo boes boke boko boks bole bolk boll bolo bols boob booc booe book bool boos boox bosc bose bosk boso boss bscs bseb bsec bsee bses bslc bsos bssc bsse c-bo cbbc cbbs cbcc cbce cbcl cbcs cbec cbee cbkl cbko cblb cblc cbol cbox cbsc cbse ccbc cccb cccc cccl cccs ccee ccel cclc ccls cclx ccob ccoc ccsl ccss ccxl cebs cec- cece ceco cecs ceeb ceec ceel cees ceke cel- celc cele cell celo cels ceol ceos cesc cese cess cexe ckbc ckbe ckbx ckck ckcl ckco ckcs ckcx ckob ckoc ckoo ckos cksb cksl ckso clec clee clek cleo cles clob cloe clok cloo clos clox clsc clxx cobb cobe cobo cobs coce cock coco coel coes coex cok- coke coko col- colb cole colk coll colo cols coob cook cool coos cosc cose cosl coso coss coxe cscb cscc csce cscl csco cscs csec csee csks csob csos csox csse cxxx e-cl ebbc ebbo ebbs ebcc ebel ebes eboe ebol eboo ebos ebox ecbc ecbe eccb eccc ecce eccl ecco eces ecko ecks eco- ecol ecos ecsc ecse ecss eecs eeee eees eeke eeks eele eels eeoc eese eesk ekco ekeb ekek ekes ekos el-b elbe elbo elcb elce elco elec elee elek eleo eles elex elke elko elks elle ello ells elok elos else elso eoes eole eolo esbo esbs escb esce esco escs esee esek esel eseo eses eske esko esks eso- esok esol esos esox esse essl esso excl exco exec exel exes exo- exos k-lo k-os kbbb kbbc kbbe kbbk kbbl kbbo kbbs kbcb kbce kbck kbcl kbco kbcs kbeb kbec kbee kbek kbel kbeo kbes kbex kbkb kbkk kbkl kbko kblb kble kbll kblo kbls kbob kboc kboe kbok kboo kbos kbox kbsb kbsk kbso kbss kbsx kbxb kbxl kbxs kbxx kc-x kcbc kcbk kcbl kcbs kcbx kccb kccc kcck kccl kceb kcec kcee kcel kceo kckc kckk kckl kcko kckx kclc kcle kclk kcll kcls kclx kcob kcoe kcol kcos kcox kcsb kcsc kcse kcss kcxl kebb kebc kebe keck keco keek keel kees kekb kekc keke kekl keko keks kele kelk kell kelo keok keol keos kesb kesc kesk keso kess kexb kexl kexo kexs kexx kkbb kkbe kkbl kkbo kkbs kkcb kkck kkcl kkco kkcs kkex kkkk kklb kklc kkll kklo kkls kklx kkob kkol kkoo kkse kkss kkxk kkxl kkxs kkxx klbb klbc klbe klbl klbs klcb klcc klce klck klcl klcs klcx kleb klec klee klek kleo kles klex klkc klkk klkl klko klks klkx kllb kllc klle kllk klls klob kloc kloe klok klol kloo klos klox klsc klse klsx klxk klxx kobb kobc kobe kobk kobo kobs kocb kock kocs koel koes kokb kokc koke kokk koko koks kokx kolb kolc kole kolk koll kolo kols koob kooc kook kool kooo koos kos- kosb kosc kose koso koss koxc koxe ksbc ksbl ksbs kscb ksce ksck kscl ksco kscs ksec ksee ksek ksel