-ic -ol bbb bbc bbi bbk bbl bbo bbs bbt bcb bcc bci bck bcl bco bcs bct bi- bib bic bii bik bil bio bis bit bkb bkc bkk bkl bko bks bkt blb blc bli blk bll blo bls blt bob boc boi bok bol boo bos bot bsb bsc bsi bsk bsl bso bss bst btb btc bti btk btl bto bts btt c-- cbb cbc cbi cbk cbl cbo cbs cbt ccb ccc cci cck ccl cco ccs cct ci- cib cic cii cik cil cio cis cit ckb ckc cki cko cks ckt cl- clb clc cli clk cll clo cls clt co- cob coc coi cok col coo cos cot csb csc csi csk csl cso css cst ctb ctc cti ctk ctl cto cts ctt ibb ibc ibi ibk ibl ibo ibs ibt icb icc ici ick icl ico ics ict iib iic iii iil iio iis iit ikb ikc iki ikk ikl iko iks ikt il- ilb ilc ili ilk ill ilo ils ilt io- iob ioc ioi iol ioo ios iot is- isb isc isi isk isl iso iss ist itb itc iti itk itl ito its itt k-t kbb kbc kbi kbk kbl kbo kbs kcb kcc kci kck kcl kcs kct kib kic kii kik kil kio kis kit kkb kkc kki kkk kkl kks kkt kl- klb klc kli klo kls klt kob koc koi kok kol koo kos kot ksb ksc ksi ksk ksl kso kss kst ktb ktc ktk ktl kto kts ktt lbb lbc lbi lbk lbl lbo lbs lbt lcb lcc lci lck lcl lco lcs lct lib lic lii lik lil lio lis lit lkb lkl lks lkt llb llc lli llk lll llo lls llt lob loc loi lok lol loo los lot lsb lsc lsi lsk lsl lso lss lst ltb ltc lti ltk ltl lto lts ltt o-i ob- obb obc obi obk obl obo obs obt oc- ocb occ oci ock ocl oco ocs oct oib oic oii oik oil oio ois oit okb okc oki okk okl oko oks olb olc oli olk oll olo ols olt oo- oob ooc ooi ook ool ooo oos oot os- osb osc osi osk osl oso oss ost ot- otb otc oti otk otl oto ots ott sbb sbc sbi sbk sbl sbo sbs sbt scb scc sci sck scl sco scs sct sib sic sii sik sil sio sis sit sk- skb skc ski skk skl sko sks skt slb slc sli slk sll slo sls slt sob soc soi sok sol soo sos sot ss- ssb ssc ssi ssk ssl sso sss sst stb stc sti stk stl sto sts stt tbb tbc tbi tbk tbl tbo tbs tbt tcb tcc tci tck tcl tco tcs tct tib tic tii tik til tio tis tit tkb tkc tkk tkl tko tks tkt tlc tli tlk tll tlo tls tlt to- tob toc toi tok tol too tos tot tsb tsc tsi tsk tsl tso tss tst ttb ttc tti ttk ttl tto tts ttt

bbbb bbbs bbci bblb bbls bcbc bcbs bccc bcci bccl bccs bcis bcit bcos bcsc bcsl bcss bctc bcts bibb bibi bibl bibo bibs bicc bici bick bico bics biis biko bili bilk bill bilo bils bilt bio- bioc bioi biol bios biot bis- bisc bisk bisl biso biss bist bitc bito bits bitt blbt blic blik blio blis blit blkb blls blob bloc blok bloo blot blss blst blts bobb bobi bobo bobs bock boco bocs boi- boii boil bois boit boki boko boks boli bolk boll bolo bols bolt boob booc book bool boos boot bosc bosi bosk boso boss bost botb boti boto bots bott bsci bscs bsic bskt bslc bsos bssc bsts btcc btcl btcs btob btss bttb c-bo cbbc cbbs cbcc cbcl cbcs cbct cbit cbkl cbko cblb cblc cbol cbot cbsc cbsi cbtc cbtl ccbc cccb cccc ccci cccl cccs ccic ccii ccil ccis cclc ccli ccls ccob ccoc ccsi ccsl ccss ccst cctb cctc cctl cctt cibc cibi cibo cicc cici cico cics cict ciii ciis ciit ciko cili cilk cill cilo cils cilt ciob cios cis- cisc cisk cisl ciss cist citb citi citl cito cits citt ckbc ckbi ckck ckcl ckco ckcs ckob ckoc ckoi ckoo ckos ckot cksb cksl ckso ckst cktb ckts clib clic clii clik clio clis clit clob clok cloo clos clot clsc cltb cltc clts cobb cobi cobo cobs cock coco coct coil cois coit cok- coko col- colb coli colk coll colo cols colt coob cook cool coos coot cosc cosi cosl coso coss cost cotb cotc coti coto cots cott cscb cscc csci cscl csco cscs csib csik csio csis csit csks csob csos csot cstc csto csts ctbi ctbs ctic ctls ctol ctos ctot ctsc ctss ctts ibcs ibis ibos ibot ibss ibtb ibtc ibtl ibts icbc icbs iccb iccc icci iccl icco iccs icct icis icks icll icoc icos icsb icsc icsi icss icst icts iiii iiio iiis iiit iioi iioo iios iisc iisi iist iitt ikki ikko ikoo ilbc ilic ilio ilis ilit ilki ilks ill- illi illo ills illt iloc ilok iloo ilos ilot ilts iobi ioci ioii ioio ioit ioko iolo iooi iooo ioos ioso ioto isbl isbt iscc isci isco iscs isct isic isil isis isit isko isls iso- isoc isok isol isos issc issi isso isss istc isti isto ists itbs itcs itic itil itis itko itll itoi itol itoo itos itsi itso itto k-ci k-lo k-os kbbb kbbc kbbi kbbk kbbl kbbo kbbs kbbt kbcb kbci kbck kbcl kbco kbcs kbct kbib kbic kbik kbil kbio kbis kbit kbkb kbkk kbkl kbko kblb kbll kblo kbls kblt kbob kboc kboi kbok kboo kbos kbot kbsb kbsi kbsk kbso kbss kbst kbtb kbtc kbtk kbtl kbto kbts kbtt kcbc kcbi kcbk kcbl kcbs kccb kccc kcci kcck kccl kcct kcic kcii kcil kcis kcit kckc kckk kckl kcko kclc kcli kclk kcll