-ol bbb bbc bbd bbk bbl bbo bbr bcb bcc bcd bck bcl bco bcr bdb bdc bdd bdk bdl bdo bdr bkb bkc bkk bkl bko bkr blb blc bld blk bll blo blr bob boc bod bok bol boo bor brb brd brk brl bro brr c-- cbb cbc cbd cbk cbl cbo cbr ccb ccc ccd cck ccl cco ccr cdb cdc cdd cdk cdl cdo cdr ckb ckc ckd cko cl- clb clc cld clk cll clo clr co- cob coc cod cok col coo cor crb crc crd crk crl cro crr dbb dbc dbd dbk dbl dbo dbr dcb dcc dcd dck dcl dco dcr ddb ddc ddd ddk ddl ddo ddr dkb dkc dkk dkl dko dkr dl- dlb dlc dld dlk dll dlo dlr dob doc dod dok dol doo dor drb drc drd drk drl dro drr kbb kbc kbd kbk kbl kbo kbr kcb kcc kcd kck kcl kcr kdb kdc kdk kdl kdo kdr kkb kkc kkk kkl kkr kl- klb klc kld klo klr kob koc kod kok kol koo kor krc krd krk krl kro krr lbb lbc lbd lbk lbl lbo lbr lcb lcc lcd lck lcl lco lcr ldb ldc ldd ldk ldl ldo ldr lkb lkl lkr llb llc lld llk lll llo llr lob loc lod lok lol loo lor lrb lrc lrd lrk lro lrr ob- obb obc obd obk obl obo obr oc- ocb occ ocd ock ocl oco ocr odb odc odd odl odo odr okb okc okd okk okl oko okr olb olc old olk oll olo oo- oob ooc ood ook ool ooo oor or- orb orc ord ork orl oro orr rbb rbc rbd rbk rbl rbo rbr rcb rcc rcd rcl rco rcr rdb rdc rdd rdl rdo rdr rkb rkc rkk rko rlc rld rll rlo rlr rob roc rod rok rol roo ror rrb rrc rrd rrk rrl rrr

bbbb bbdd bbdo bblb bbrc bcbc bccc bccl bcor bd-r bdbc bddc bldc bldr blkb blkd blob bloc blod blok bloo blrc bobb bobo bock boco bodb bodo boko bold bolk boll bolo boob booc bood book bool boor bor- bord bork boro borr brcb brdo brkb brob broc brod brok brol broo bror brrr c-bo c-cd cbbc cbcc cbcl cbcr cbdb cbdc cbdo cbkl cbko cbkr cblb cblc cbol cbrd cbrl ccbc cccb cccc cccl ccdc ccdr cclc ccob ccoc ccod ccrc ccrl cd-r cddb cddl cddr ckbc ckck ckcl ckco ckdo ckob ckoc ckoo ckor ckrc ckrd clcd cldc cldr clob clod clok cloo clor clrd clro cobb cobo cock coco codd codl cok- coko col- colb cold colk coll colo coob cood cook cool cor- corb corc cord cork corl coro corr crbc crcc crcr crdc crkc crkl crob croc crod crok crol croo cror d-bo dbcc dcbc dccb dccc dccl dcdb dcrk dddd ddlc ddoc ddrc dkdc dlbd dlco dobb dobl dock doco dod- dodd dodo doko dold dolk doll dolo doob dood dook dool door dorc dord dork doro dorr drbc drob drod drol k-lo kbbb kbbc kbbd kbbk kbbl kbbo kbbr kbcb kbck kbcl kbco kbcr kbdb kbdl kbdo kbdr kbkb kbkk kbkl kbko kbkr kblb kbld kbll kblo kblr kbob kboc kbod kbok kboo kbrb kbrc kbrd kbrk kbrl kbro kcbc kcbd kcbk kcbl kcbr kccb kccc kccd kcck kccl kccr kcdc kcdd kcdr kckc kckk kckl kcko kckr kclc kclk kcll kclr kcob kcol kcor kcrc kcro kcrr kdbb kdbl kdbr kdcc kdcd kdco kdcr kddb kddc kddd kddk kddl kddr kdkb kdkd kdkk kdko kdkr kdlb kdlc kdld kdll kdlo kdlr kdoc kdok kdrb kdrl kdro kkbb kkbd kkbl kkbo kkbr kkcb kkcd kkck kkcl kkco kkcr kkdc kkdd kkdl kkdo kkkk kklb kklc kkld kkll kklo kkob kkol kkoo kkor kkrb kkrc kkrk kkrl kkro kkrr klbb klbc klbd klbl klcb klcc klcd klck klcl klcr kldc kldd kldr klkc klkk klkl klko klkr kllb kllc kllk klob kloc klok klol kloo klor klrc klrd klrk klrr kobb kobc kobk kobo kobr kocb kocd kock kodk kodl kodo kokb kokc kokk koko kokr kolb kolc kold kolk koll kolo kolr koob kooc kook kool kooo koor korb korc kord kork korl koro korr krbb krbd krbk krbl krbr krcb krcc krcd krcl krco krdc krdd krdo krdr krkc krkd krkk krko krkr krlc krld krob kroc krod krok krol kroo kror krrb krrc krrk krrl krro krrr lbcc lblr lcbc lccc lcdd lcdr lcor lcrd lcrl llcc lldb lldc lllc llll lloc llod lloo lob- lobb lobo locc lock loco lokk loko lold loll lolo loob looc lood look lool loor lord lork loro lrdd lroc lrrc lrrr obbo obkb obok obol obor obro ocbc occc oclc ocrl ocro ocrr odbo oddd odoo odor odrl okko oklo okok okol okor okro olbo olcc oldb ollo olor oocr oold oolo oooo oord orbb orbo orco ordo orko orlo oro- orok oror orro rbbb rbbr rbcl rcbc rcbo rccb rccc rcdc rcrd rdoc rob- robb robo rocc rock roco rodd rodo rokk roko rokr rold rolk roll rolo roob rood rook rool roor rorc rork roro rrrr

-lock b-r-k bbook bckdk bcock bdoor block blood blook bloor blorb bo-bo bobko boboc bobok bobr bocor bodd- bodoc bodor bokko bokod bokok bokor boldo bolko boll- bollo bolok boock booco booko boold boord borbo borck bordo borko boro- borod borok boroo borro brcko brobo brock brodd brodo broll brolo brood brook brool brrrr c-cor ccccc ccrcl clock clodo cloob clook cloor co-bo co-co cobol cocc- cocco cocol codco codo cokk- coll- colld collo colo- colok color coold coolo coord corbo coro- corod corol corrl crock croco crodo croll crood crook crool d-loc d-rod d-rok ddddd do-do do-ol dobok dobro dodol dodoo dodro dokdo dollo dolor doodo drbob drobo drock droll drood drook drool k-b-d k-rob kbool klock ko-ko kobol kodok kokko kokor koldo kollo kolob kolol koord korbo korck korol koror korro krock krodo kroll ldodk lobbo lobo- lobor