-ol bbb bbc bbd bbh bbl bbn bbo bbs bcb bcc bcd bch bcl bcn bco bcs bdb bdc bdd bdh bdl bdo bds bhb bhc bhd bhh bhl bho bhs blb blc bld blh bll bln blo bls bnb bnc bnd bnl bnn bno bns bob boc bod boh bol bon boo bos bsb bsc bsd bsh bsl bsn bso bss c-- cbb cbc cbd cbh cbl cbn cbo cbs ccb ccc ccd cch ccl ccn cco ccs cdb cdc cdd cdh cdl cdn cdo cds ch- chb chc chd chh chl chn cho chs cl- clb clc cld clh cll cln clo cls cn- cnb cnc cnd cnh cnl cnn cno cns co- cob coc cod coh col con coo cos csb csc csd csh csl csn cso css dbb dbc dbd dbh dbl dbn dbo dbs dcb dcc dcd dcl dcn dco dcs ddb ddc ddd ddh ddl ddn ddo dds dh- dhb dhc dhd dhh dhl dho dhs dl- dlb dlc dld dlh dll dlo dls dnb dnc dnd dnh dnl dnn dno dns dob doc dod doh dol don doo dos dsb dsc dsd dsh dsl dsn dso dss hbb hbc hbd hbh hbl hbn hbo hbs hcb hcc hcd hch hcl hcn hco hcs hdb hdc hdd hdh hdl hdn hdo hds hhb hhc hhd hhh hhl hhn hho hhs hlb hlc hld hlh hll hln hlo hls hnb hnc hnd hnh hnl hnn hno hns hob hoc hod hoh hol hon hoo hos hsb hsc hsd hsh hsl hsn hss lbb lbc lbd lbh lbl lbo lbs lcb lcc lcd lch lcl lcn lco lcs ldb ldc ldd ldh ldl ldn ldo lds lhb lhc lhd lhh lho lhs llb llc lld lll lln llo lls lnb lnc lnd lnh lnl lnn lno lns lob loc lod loh lol lon loo los lsb lsc lsd lsh lsl lsn lso lss nbb nbc nbd nbl nbn nbo nbs ncb ncc ncd nch ncl ncn nco ncs ndb ndc ndd ndh ndl ndn ndo nds nhb nhc nhd nhh nhl nhn nhs nlb nlc nld nlh nll nln nlo nls nnb nnc nnh nnl nnn nno nns no- nob noc nod noh nol non noo nos nsb nsc nsd nsh nsl nsn nso nss ob- obb obc obd obh obl obn obo obs oc- ocb occ ocd och ocl ocn oco ocs odb odc odd odh odl odn odo ods ohc ohd ohh ohl ohn oho ohs olb olc old oll oln olo ols on- onb onc ond onh onl onn ono ons oo- oob ooc ood ooh ool oon ooo oos os- osb osc osd osh osl osn oso oss sbb sbc sbd sbh sbl sbn sbo sbs scb scc scd sch scl scn sco scs sdb sdc sdd sdh sdl sdn sdo sds sh- shb shc shd shh shl shn sho shs slb slc sld slh sll sln slo sls snb snc snd snl snn sno sns sob soc sod soh sol son soo sos ss- ssb ssc ssd ssh ssl ssn sso sss

bbbb bbbs bbch bbdd bbdo bbhs bblb bbls bcbc bcbs bccc bccl bccs bcds bchd bchs bcos bcsc bcsl bcsn bcss bdbc bddc bddh bdhs bdls bdos bdsd bhcc bhdl bhhs bldc blhs blls blno blob bloc blod blon bloo blss bnhs bnoc bnss bobb bobo bobs boch boco bocs bodb bodh bodo bods bohd bohl bohn boho bohs bold boll boln bolo bols bonc bond bonn bono bons boob booc bood booh bool boon boos bosc bosh bosn boso boss bsbd bscs bsdl bshs bslc bsnd bsns bsod bson bsos bssc bssd c-bo c-cd cbbc cbbs cbcc cbcl cbcn cbcs cbdb cbdc cbdn cbdo cbds cbhl cbhs cblb cblc cbln cbnd cbol cbsc cbsn ccbc ccbn cccb cccc cccl cccs ccdc ccdh ccdn ccds cchl cchs cclc ccls ccnb ccnc ccns ccob ccoc ccod ccsd ccsl ccsn ccss cdcs cddb cddl cdhs cdls cdnb cdnc cdon cdos cdss chch chcs chhs chlc chln chnb chnc chnl chno chns choc chod choh chol chon choo chos chsc chsh clcd cldc clhs clob clod clon cloo clos clsc cnbc cnbl cnco cndd cnhs cnoh cnsl cnss cobb cobh cobo cobs coch coco codd codl cods cohn coho cohs col- colb cold coll coln colo cols con- conc cond conn cono cons coob cood cooh cool coon coos cosc cosh cosl coso coss cscb cscc cscd csch cscl csco cscs csdb csdn cshl cshs csld csob csos cssd d-bo dbcc dbcs dbhs dbls dbnl dbos dbss dcbc dccb dccc dccl dccs dcdb dcds dchs dcls dcns dcon dcos dcsc dcss dddd ddlc ddoc ddss dhod dhol dlbd dlco dlcs dlos dncs dnhs dnoc dnsc dobb dobl dobs doch doco docs dod- dodd dodo dods dohc dohl dohs dold doll dolo dols donc dond donn dono dons doob dood dool doon doos dosh doso doss dsbc dscc dsch dscn dscs dshs dsls dsos dssc dssn hbbs hbcd hbds hbhs hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hdhs hdoc hdod hdos hdss hhcl hhds hhhh hhhs hlds hlhs hlod hlss hncs hndd hnhs hobo hobs hoch hocn hocs hodh hods hohl hohn hoho hol- holb holc hold holh holl holn holo hols hond hono hons hood hool hoon hoos hosh hoss hsbc hscc hscn hshs hsls hsob hson lbcc lbds lbhs lbos lbsc lcbc lccc lccs lcdd lcds lchc lchs lcls lcsc lcsd ldls ldos ldsh lhbs lhhh lhhs lhss llbs llcc llcs lldb lldc llds llhs lllc llll lloc llod lloo lndn lnhs lnso lob- lobb lobh lobo lobs locc loch locn loco locs lodh lods lohn loho lohs lold loll lolo lols lond lono lons loob looc lood lool loon loos losc losh loso loss lscb lsco lscs lsds lshs lsoh lson lsso nbbc nbbo nbcc nbco nbcs nbhd nbhs ncbc ncbs nccc nccn nccs ncdc ncdn ncds nchc nchd nchs nclc ncln ncnc ncnd ncoc ncos ncsc ncsl ncss ndcc ndcs nddb nddo ndhs