-ic -ol bbb bbc bbd bbf bbi bbl bbn bbo bbs bcb bcc bcd bcf bci bcl bcn bco bcs bdb bdc bdd bdf bdi bdl bdo bds bfb bfc bfd bff bfi bfl bfn bfo bfs bi- bib bic bid bif bii bil bin bio bis blb blc bld blf bli bll bln blo bls bnb bnc bnd bnf bni bnl bnn bno bns bob boc bod bof boi bol bon boo bos bsb bsc bsd bsf bsi bsl bsn bso bss c-- cbb cbc cbd cbf cbi cbl cbn cbo cbs ccb ccc ccd ccf cci ccl ccn cco ccs cdb cdc cdd cdf cdi cdl cdn cdo cds cfb cfc cfd cff cfi cfl cfn cfo cfs ci- cib cic cid cif cii cil cin cio cis cl- clb clc cld clf cli cll cln clo cls cn- cnb cnc cnd cnf cni cnl cnn cno cns co- cob coc cod cof coi col con coo cos csb csc csd csf csi csl csn cso css dbb dbc dbd dbf dbi dbl dbn dbo dbs dcb dcc dcd dcf dci dcl dcn dco dcs ddb ddc ddd ddf ddi ddl ddn ddo dds dfb dfc dfd dff dfi dfl dfn dfo dfs di- dib dic did dif dii dil din dio dis dl- dlb dlc dld dlf dli dll dlo dls dnb dnc dnd dnf dni dnl dnn dno dns dob doc dod dof doi dol don doo dos dsb dsc dsd dsf dsi dsl dsn dso dss fbb fbc fbd fbf fbi fbl fbn fbo fbs fcb fcc fcd fcf fci fcl fcn fco fcs fdb fdc fdd fdf fdi fdl fdn fdo fds ffc ffd fff ffi ffl ffn ffo ffs fib fic fid fif fii fil fin fis flb flc fld flf fli fll fln flo fls fnb fnc fnd fnf fni fnl fnn fns fob foc fof foi fol fon foo fos fsb fsc fsd fsf fsi fsl fsn fso fss i-d i-f ibb ibc ibd ibf ibi ibl ibn ibo ibs icb icc icd icf ici icl icn ico ics idb idc idd idf idi idl idn ido ids ifb ifc ifd iff ifi ifl ifn ifo ifs iib iic iid iif iii iil iin iio iis il- ilb ilc ild ilf ili ill iln ilo ils in- inb inc ind inf ini inl inn ino ins io- iob ioc iod iof ioi iol ion ioo ios is- isb isc isd isf isi isl isn iso iss lbb lbc lbd lbf lbi lbl lbo lbs lcb lcc lcd lcf lci lcl lcn lco lcs ldb ldc ldd ldf ldi ldl ldn ldo lds lfb lfc lfd lff lfi lfl lfn lfo lfs lib lic lid lif lii lil lin lio lis llb llc lld llf lli lll lln llo lls lnb lnc lnd lni lnl lnn lno lns lob loc lod lof loi lol lon loo los lsb lsc lsd lsf lsi lsl lsn lso lss n-i nbb nbc nbd nbf nbi nbl nbn nbo nbs ncb ncc ncd ncf nci ncl ncn nco ncs ndb ndc ndd ndf ndi ndl ndn ndo nds nfb nfc nfd nff nfi nfl nfn nfo nfs nib nic nid nif nii nil nin nio nis nlb nlc nld nlf nli nll nln nlo nls nnb nnc nnf nni nnl nnn nno nns no- nob noc nod nof noi nol non noo nos nsb nsc nsd nsf nsi nsl nsn nso nss o-i ob- obb obc obd obf obi obl obn obo obs oc- ocb occ ocd ocf oci ocl ocn oco ocs odb odc odd odf odi odl odn odo ods of- ofb ofc ofd off ofi ofl ofn ofo ofs oib oic oid oif oii oil oin oio ois olb olc old olf oli oll oln olo ols on- onb onc ond onf oni onl onn ono ons oo- oob ooc ood oof ooi ool oon ooo oos os- osb osc osd osf osi osl osn oso oss sbb sbc sbd sbf sbi sbl sbn sbo sbs scb scc scd scf sci scl scn sco scs sdb sdc sdd sdf sdi sdl sdn sdo sds sfb sfc sfd sff sfi sfl sfn sfo sfs sib sic sid sif sii sil sin sio sis slb slc sld slf sli sll sln slo sls snb snc snd snf sni snl snn sno sns sob soc sod sof soi sol son soo sos ss- ssb ssc ssd ssf ssi ssl ssn sso sss

bbbb bbbs bbci bbdd bbdo bbfc bbfn bbin bblb bbls bcbc bcbs bccc bcci bccl bccs bcds bcfc bcis bcof bcos bcsc bcsl bcsn bcss bdbc bddc bdii bdin bdls bdos bdsd bfcs bffl bffs bfsi bibb bibi bibl bibo bibs bicc bici bico bics bidi bido bids biff bifi biin biis bild bili bill bilo bils bin- binc bind bini binn bino bins bio- bioc bioi biol bion bios bis- bisc bisd bisl biso biss bldc blfc blic blin blio blis blls blni blno blob bloc blod blon bloo blss bnib bnin bnoc bnss bobb bobi bobo bobs boco bocs bodb bodi bodo bods bofd boff bofs boi- boid boii boil boin bois bold boli boll boln bolo bols bonc bond boni bonn bono bons boob booc bood boof bool boon boos bosc bosi bosn boso boss bsbd bsci bscs bsdl bsfc bsff bsfs bsic bsin bslc bsnd bsns bsod bson bsos bssc bssd c-bo c-cd cbbc cbbs cbcc cbcl cbcn cbcs cbdb cbdc cbdi cbdn cbdo cbds cbfb cbfc cbid cblb cblc cbln cbnd cbol cbsc cbsi cbsn ccbc ccbn cccb cccc cccf ccci cccl cccs ccdc ccdf ccdi ccdn ccds ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil ccis cclc ccli ccls ccnb ccnc ccnf ccni ccns ccob ccoc ccod ccsd ccsf ccsi ccsl ccsn ccss cdbf cdcs cddb cddl cdfs cdic cdii cdio cdis cdli cdls cdnb cdnc cdnf cdon cdos cdss cfbc cfbn cfbs cfcb cfcf cfcl cfcn cfco cfcs cfds cffb cfln cfls cfnb cfni cfns cfos