-ol bbb bbc bbe bbk bbl bbo bbs bcb bcc bce bck bcl bco bcs be- beb bec bee bek bel beo bes bkb bkc bke bkk bkl bko bks blb blc ble blk bll blo bls bob boc boe bok bol boo bos bsb bsc bse bsk bsl bso bss c-- cbb cbc cbe cbk cbl cbo cbs ccb ccc cce cck ccl cco ccs ce- ceb cec cee cek cel ceo ces ckb ckc cko cks cl- clb clc cle clk cll clo cls co- cob coc coe cok col coo cos csb csc cse csk csl cso css ebb ebc ebe ebk ebl ebo ebs ec- ecb ecc ece eck ecl eco ecs eeb eec eee eek eel eeo ees ekb ekc eke ekl eko eks elb elc ele elk ell elo els eo- eob eoc eoe eok eol eoo eos es- esb esc ese esk esl eso ess kbb kbc kbe kbk kbl kbo kbs kcb kcc kce kck kcl kcs ke- keb kec kee kek kel keo kes kkb kkc kke kkk kkl kks kl- klb klc klo kls kob koc koe kok kol koo kos ksb ksc kse ksk ksl kso kss lbb lbc lbe lbk lbl lbo lbs lcb lcc lce lck lcl lco lcs leb lec lee lek lel leo les lkb lkl lks llb llc lle llk lll llo lls lob loc loe lok lol loo los lsb lsc lse lsk lsl lso lss ob- obb obc obe obk obl obo obs oc- ocb occ ock ocl oco ocs oeb oec oee oel oeo oes okb okc oke okk okl oko oks olb olc ole olk oll olo ols oo- oob ooc ook ool ooo oos os- osb osc ose osk osl oso oss sbb sbc sbe sbk sbl sbo sbs scb scc sce sck scl sco scs se- seb sec see sek sel seo ses sk- skb skc ske skk skl sko sks slb slc sle slk sll slo sls sob soc soe sok sol soo sos ss- ssb ssc sse ssk ssl sso sss

-ose bbbb bbbs bbeb bblb bbls 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 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 cbsc cbse ccbc cccb cccc cccl cccs ccee ccel cclc ccls ccob ccoc ccsl ccss cebs cec- cece ceco cecs ceeb ceec ceel cees ceke cel- celc cele cell celo cels ceol ceos cesc cese cess ckbc ckbe ckck ckcl ckco ckcs ckob ckoc ckoo ckos cksb cksl ckso clec clee clek cleo cles clob cloe clok cloo clos clsc cobb cobe cobo cobs coce cock coco coel coes cok- coke coko col- colb cole colk coll colo cols coob cook cool coos cosc cose cosl coso coss cscb cscc csce cscl csco cscs csec csee csks csob csos csse e-cl ebbc ebbo ebbs ebcc ebel ebes eboe ebol eboo ebos 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 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 esse essl esso k-lo k-os kbbb kbbc kbbe kbbk kbbl kbbo kbbs kbcb kbce kbck kbcl kbco kbcs kbeb kbec kbee kbek kbel kbeo kbes kbkb kbkk kbkl kbko kblb kble kbll kblo kbls kbob kboc kboe kbok kboo kbos kbsb kbsk kbso kbss kcbc kcbk kcbl kcbs kccb kccc kcck kccl kceb kcec kcee kcel kceo kckc kckk kckl kcko kclc kcle kclk kcll kcls kcob kcoe kcol kcos kcsb kcsc kcse kcss 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 kkbb kkbe kkbl kkbo kkbs kkcb kkck kkcl kkco kkcs kkkk kklb kklc kkll kklo kkls kkob kkol kkoo kkse kkss klbb klbc klbe klbl klbs klcb klcc klce klck klcl klcs kleb klec klee klek kleo kles klkc klkk klkl klko klks kllb kllc klle kllk klls klob kloc kloe klok klol kloo klos klsc klse kobb kobc kobe kobk kobo kobs kocb kock kocs koel koes kokb kokc koke kokk koko koks kolb kolc kole kolk koll kolo kols koob kooc kook kool kooo koos kos- kosb kosc kose koso koss ksbc ksbl ksbs kscb ksce ksck kscl ksco kscs ksec ksee ksek ksel kseo kskb kske kskk ksko ksks kslb kslc ksle kslk ksll kslo ksob ksoc ksok ksol ksoo ksos ksse kssl ksso ksss lbcc lbos lbsc lcbc lccc lcce lccs lces lcls lcsc lebo lece leck leco leek leel lees leke lekk leko leks lele lell lelo leoc leok leos lese lesk less llbs llcc llcs lles llks lllc llll lloc lloo lob- lobb lobe lobo lobs locc loce lock loco locs loeb loes loke lokk loko lole loll lolo lols loob looc looe look lool loos losc lose loso loss lscb lsco lscs lses lsso o-eo obbo obec obel obes obkb oble obls oboe obok obol obos obss ocbc occc oce ocee ocke ocks oclc ocos oec- oecc oeec oele oese okes okko oklo okok okol okso olbo olcc ole- oleo oles olle ollo olos oobe ooes oolo oooo ooos oose osbe oscc osce oscl osco osec osee osek osel oses oslo osoo osos ossb osse