-ic -ol b-p bbb bbc bbi bbl bbo bbp bbs bcb bcc bci bcl bco bcp bcs bi- bib bic bii bil bio bip bis blb blc bli bll blo blp bls bob boc boi bol boo bop bos bpb bpc bpi bpl bpo bpp bps bsb bsc bsi bsl bso bsp bss c-- cbb cbc cbi cbl cbo cbp cbs ccb ccc cci ccl cco ccp ccs ci- cib cic cii cil cio cip cis cl- clb clc cli cll clo clp cls co- cob coc coi col coo cop cos cpb cpc cpi cpl cpo cpp cps csb csc csi csl cso csp css ibb ibc ibi ibl ibo ibp ibs icb icc ici icl ico icp ics iib iic iii iil iio iip iis il- ilb ilc ili ill ilo ilp ils io- iob ioc ioi iol ioo iop ios ipb ipc ipi ipl ipo ipp ips is- isb isc isi isl iso isp iss l-p lbb lbc lbi lbl lbo lbp lbs lcb lcc lci lcl lco lcp lcs lib lic lii lil lio lip lis llb llc lli lll llo llp lls lob loc loi lol loo lop los lpb lpc lpi lpl lpo lpp lps lsb lsc lsi lsl lso lsp lss o-i ob- obb obc obi obl obo obp obs oc- ocb occ oci ocl oco ocp ocs oib oic oii oil oio oip ois olb olc oli oll olo olp ols oo- oob ooc ooi ool ooo oop oos op- opb opc opi opl opo opp ops os- osb osc osi osl oso osp oss p-p pbb pbc pbi pbl pbo pbp pbs pcb pcc pci pcl pco pcp pcs pib pic pii pil pio pip pis plb plc pli pll plo plp pls pob poc poi pol poo pop pos ppb ppc ppi ppl ppo ppp pps ps- psb psc psi psl pso psp pss sbb sbc sbi sbl sbo sbp sbs scb scc sci scl sco scp scs sib sic sii sil sio sip sis slb slc sli sll slo slp sls sob soc soi sol soo sop sos spb spc spi spl spo spp sps ss- ssb ssc ssi ssl sso ssp sss

bbbb bbbs bbci bblb bbls bcbc bcbp bcbs bccc bcci bccl bccs bcis bcos bcpl bcpp bcps bcsc bcsl bcss bibb bibi bibl bibo bibs bicc bici bico bics biis bili bill bilo bils bio- bioc bioi biol bios bipp bips bis- bisc bisl biso bisp biss blic blio blip blis blls blob bloc bloo blop blsp blss bobb bobi bobo bobs boco bocs boi- boii boil bois boli boll bolo bols boob booc bool boop boos bopp bops bosc bosi boso boss bpcp bsci bscp bscs bsic bslc bsos bspp bssc c-bo cbbc cbbs cbcc cbcl cbcp cbcs cblb cblc cbol cbpc cbpp cbsc cbsi ccbc cccb cccc ccci cccl cccp cccs ccic ccii ccil ccip ccis cclc ccli ccls ccob ccoc ccpl ccpp ccps ccsi ccsl ccsp ccss cibc cibi cibo cicc cici cico cics ciii ciis cili cill cilo cilp cils ciob cios cipo cipp cips cis- cisc cisl cisp ciss clib clic clii clio clip clis clob cloo clop clos clpb clpp clsc cobb cobi cobo cobs coco cocp coil coip cois col- colb coli coll colo colp cols coob cool coop coos copi copo copp cops cosc cosi cosl coso cosp coss cpbc cpcs cpic cpio cplc cpls cpos cpps cpsc cpsl cpso cscb cscc csci cscl csco cscs csib csio csis cslp csob csos cspb cspc cspi csps ibcs ibis ibos ibss icbc icbp icbs iccb iccc icci iccl icco iccp iccs icis icll iclp icoc icos icpc icpo icps icsb icsc icsi icsp icss iiii iiio iiis iioi iioo iiop iios iisc iisi iisp ilbc ilic ilio ilis ill- illi illo illp ills iloc iloo ilos iobi ioci iocp ioii ioio iolo iooi iooo ioos iopl iops ioso ipcc ipcs ipil iplo ipop ipos ippc ippo ipsc ipsi ipso ipsp ipss isbl iscc isci isco iscp iscs isic isil isis isls iso- isoc isol isop isos ispc isps issc issi isso issp isss lbcc lbos lbsc lcbc lccc lccs lcis lcls lcpc lcpl lcps lcsc lcsp libc libo libs lico lics liii liis lilb lili lill lilo lils lio- lios lip- lipb lipc lipi lipl lipo lipp lips lisi liso lisp liss llbs llcc llcs lllc llll lloc lloo llps lob- lobb lobi lobo lobs locc loci loco locs loic lois loli loll lolo lols loob looc lool loop loos lopi lopp lops losc losi loso losp loss lppl lpsc lpss lscb lsco lscs lspl lsso lssp obbo obis obls oboi obol obos obss ocbc occc occi ocis oclc ocos ocpp oici oiii oils oios oipc oisc olbo olcc olib olic olio olis olli ollo olos olpc olsi oobi oolo oooo ooos oops oosi opic opii opio opis opls opo- opos oppi oppo opps opsi osbp oscc osci oscl osco osii osip osis osli oslo osoi osoo osos ossb ossi osso pbcc pbil pboc pbsp pcbc pcbs pccc pccl pccs pcip pcll pclo pcos pcpb pcpp pcps pcso pibb pibi picc pici pico pics piip pil- pili pill pilo pils piob pipi pipo pipp pips pisi piso piss plcc plib plio plip plis plob ploc ploo plop plos plpp plsi plss pobo pobs poco pocs poil poio pois poli poll polo pols pool poop poos pop- popc popi popo popp pops posb posi poso poss ppcc ppci ppcs ppib ppic ppli pplo ppos pppo pppp ppps ppss psci psco psil psip psis psoc psoi psol psos pspi pspp psps pssc psso s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbsi sbsp scbi sccc sccl sccp sccs sci- scic scil scio scip scis scl- sclc scls scob scol scoo scop scpb scpi scpl scpo scps scsc scsi scsl scso sibc sibi sibo sibs sicc sici sico sicp sics sil- silc sili sill silo sils siol siop sios sipc sipi sipo sipp sips sisc sisi siss sl-i slbp slcc slib slic