-ol bbb bbc bbk bbl bbm bbo bbs bbt bcb bcc bck bcl bcm bco bcs bct bkb bkc bkk bkl bkm bko bks bkt blb blc blk bll blm blo bls blt bmb bmc bmk bml bmm bmo bms bmt bob boc bok bol bom boo bos bot bsb bsc bsk bsl bsm bso bss bst btb btc btk btl btm bto bts btt c-- cbb cbc cbk cbl cbm cbo cbs cbt ccb ccc cck ccl ccm cco ccs cct ckb ckc ckm cko cks ckt cl- clb clc clk cll clm clo cls clt cmb cmc cmk cml cmm cmo cms cmt co- cob coc cok col com coo cos cot csb csc csk csl csm cso css cst ctb ctc ctk ctl ctm cto cts ctt k-t kbb kbc kbk kbl kbm kbo kbs kcb kcc kck kcl kcm kcs kct kkb kkc kkk kkl kkm kks kkt kl- klb klc klm klo kls klt kmb kmc kmk kml kmm kmo kms kmt kob koc kok kol kom koo kos kot ksb ksc ksk ksl ksm kso kss kst ktb ktc ktk ktl ktm kto kts ktt lbb lbc lbk lbl lbm lbo lbs lbt lcb lcc lck lcl lcm lco lcs lct lkb lkl lks lkt llb llc llk lll llm llo lls llt lmb lmc lmk lml lmm lmo lms lmt lob loc lok lol lom loo los lot lsb lsc lsk lsl lsm lso lss lst ltb ltc ltk ltl ltm lto lts ltt m-o mbb mbc mbk mbl mbm mbo mbs mbt mc- mcb mcc mck mcl mcm mco mcs mct mkb mkc mkk mkl mkm mko mks mkt mlb mlc mlk mll mlm mlo mls mlt mmb mmc mmk mml mmm mmo mms mmt mob moc mok mol mom moo mos mot msb msc msk msl msm mso mss mst mtb mtc mtk mtl mtm mto mts mtt ob- obb obc obk obl obm obo obs obt oc- ocb occ ock ocl ocm oco ocs oct okb okc okk okl oko oks olb olc olk oll olm olo ols olt om- omb omc oml omm omo oms omt oo- oob ooc ook ool oom ooo oos oot os- osb osc osk osl osm oso oss ost ot- otb otc otk otl otm oto ots ott sbb sbc sbk sbl sbm sbo sbs sbt scb scc sck scl scm sco scs sct sk- skb skc skk skl skm sko sks skt slb slc slk sll slm slo sls slt smb smc smk sml smm smo sms smt sob soc sok sol som soo sos sot ss- ssb ssc ssk ssl ssm sso sss sst stb stc stk stl stm sto sts stt tbb tbc tbk tbl tbm tbo tbs tbt tcb tcc tck tcl tcm tco tcs tct tkb tkc tkk tkl tkm tko tks tkt tlc tlk tll tlm tlo tls tlt tmb tmc tmk tml tmm tmo tms tmt to- tob toc tok tol tom too tos tot tsb tsc tsk tsl tsm tso tss tst ttb ttc ttk ttl ttm tto tts ttt

bbbb bbbs bbcm bblb bbls bcbc bcbs bccc bccl bccm bccs bcms bcos bcsc bcsl bcsm bcss bctc bcts blbt blkb blls blob bloc blok blom bloo blot blss blst blts bmoc bmtc bmts bobb bobo bobs bock bocm boco bocs boko boks bolk boll bolm bolo bols bolt bomb boms bomt boob booc book bool boom boos boot bosc bosk bosm boso boss bost botb boto bots bott bscs bskt bslc bsms bsmt bsos bssc bssm bsts btcc btcl btcs btob btss bttb c-bo cbbc cbbs cbcc cbcl cbcm cbcs cbct cbkl cbkm cbko cblb cblc cbms cbol cbot cbsc cbsm cbtc cbtl ccbc cccb cccc cccl cccm cccs cckm cclc cclm ccls ccmb ccmc ccmm ccms ccob ccoc ccom ccsl ccss ccst cctb cctc cctl cctt ckbc ckck ckcl ckcm ckco ckcs cklm ckml ckmo ckob ckoc ckom ckoo ckos ckot cksb cksl ckso ckst cktb ckts clob clok clom cloo clos clot clsc clsm cltb cltc clts cmbc cmbs cmcc cmcs cmll cmmb cmmc cmml cmms cmoc cmos cmot cmsc cmst cmtc cobb cobo cobs cock coco coct cok- coko col- colb colk coll colm colo cols colt com- comb comc coml comm como coms coob cook cool coom coos coot cosc cosl cosm coso coss cost cotb cotc coto cots cott csbm cscb cscc cscl csco cscs csks csmc csob csom csos csot cssm cstc cstm csto csts ctbs ctls ctmo ctol ctos ctot ctsc ctss ctts k-lo k-os kbbb kbbc kbbk kbbl kbbm kbbo kbbs kbbt kbcb kbck kbcl kbco kbcs kbct kbkb kbkk kbkl kbko kblb kbll kblm kblo kbls kblt kbmb kbmc kbmo kbms kbmt kbob kboc kbok kboo kbos kbot kbsb kbsk kbsm kbso kbss kbst kbtb kbtc kbtk kbtl kbtm kbto kbts kbtt kcbc kcbk kcbl kcbs kccb kccc kcck kccl kcct kckc kckk kckl kckm kcko kclc kclk kcll kclm kcls kclt kcmb kcmc kcmk kcml kcmm kcmo kcms kcmt kcob kcol kcom kcos kcot kcsb kcsc kcsm kcss kcst kctb kctc kcto kkbb kkbl kkbo kkbs kkbt kkcb kkck kkcl kkcm kkco kkcs kkct kkkk kklb kklc kkll kklo kkls kkmc kkmk kkml kkmo kkms kkmt kkob kkol kkoo kkot kksm kkss kkst kktc kktk kktl kkts klbb klbc klbl klbm klbs klbt klcb klcc klck klcl klcm klcs klkc klkk klkl klko klks kllb kllc kllk klls klmk klmm klms klmt klob kloc klok klol kloo klos klsc klsm klst kltc kltk klto kltt kmbc kmbl kmbs kmcb kmcc kmcl kmcm kmco kmcs kmkk kmkl kmko kmks kmkt kmlb kmlk kmlo kmls kmmk kmml kmmm kmmo kmms kmmt kmob kmoc kmok kmom kmot kmsb kmsc kmsl kmso kmss kmst kmtb kmtc kmtk kmtl kmts kmtt kobb kobc kobk kobo kobs kocb kock kocm kocs koct kokb kokc kokk koko koks kolb kolc kolk koll kolm kolo kols kolt komb komc komo koms komt koob kooc kook kool kooo koos koot kos- kosb kosc koso