bbbb bbci bbdd bbdo bbfc bbrc bcbc bccc bcci bcfc bcof bcor bd-r bdbc bddc bdii bibb bibi bibo bicc bici bick bico bidi bido bidr biff bifi biko bio- bioc bioi birb bird biri birk biro birr bobb bobi bobo bock boco bodb bodi bodo bofd boff boi- boid boii boki boko boob booc bood boof book boor bor- bord borf bori bork boro borr brcb brdo brfc bric brid brik brio brkb brob broc brod brok broo bror brrr c-bo c-cd cbbc cbcc cbcr cbdb cbdc cbdi cbdo cbfb cbfc cbid cbir cbko cbkr cbrd ccbc cccb cccc cccf ccci ccdc ccdf ccdi ccdr ccfc ccfd ccff ccfi ccic ccid ccii ccir ccob ccoc ccod ccrc ccrf ccri cd-r cdbf cddb cddr cdic cdii cdio cfbc cfbr cfcb cfcf cfco cffb cffr cfor cfrb cibc cibi cibo cicc cici cico cicr cidc cidi cidr ciff ciid ciii ciko cikr ciob cior cirb circ ciri cirk ciro cirr ckbc ckbi ckck ckco ckdo ckfi ckfr ckob ckoc ckoi ckoo ckor ckrc ckrd cobb cobi cobo cock coco codd codi cofc coff cofi coif coir cok- coko coob cood coof cook cor- corb corc cord corf cori cork coro corr crbc crcc crcr crdc crfc crib cric crif crik crkc crob croc crod crok croo cror d-bo dbcc dbfc dbfo dcbc dccb dccc dcci dcdb dcfc dcii dcio dcrk dddd ddoc ddrc dfcc dfco dfrf dfri dibb dibo dici dick dico didi dido dif- diff diii diki diko dioc dior dird dirk dirr dkdc dkid dobb dobi doci dock doco dod- dodd dodi dodo doff doid doki doko doob dood doof dook door dorc dord dorf dori dork doro dorr drbc drfc drib dric drif drob drod drof f--k fccf fcic fcii fdic fdoc ffcc ffff ffii ffrr ficc fick fico fidc fidf fido fifc fiff fifi fifo fiii fiki fior firk foci fock foco fofo foid foki food foof fook for- forb ford fori fork foro forr frbc frcc frfc frib fric frid frik frio frob ibdo ibfi ibid ibrc ibrd ibri ibro icbc icbd iccb iccc iccf icci icco iccr icdc icdd icfb icoc icod icor icrc icrf icrr idcr iddo idfc idic idid idio idir idoc idrc idrf idro ifbb ifcd ifco ific ifid ifor ifrb ifrf ifri iicd iiii iiio iioi iioo iirc ikid ikki ikko ikoo ikri iobi ioci iod- iodd iodo iofc ioii ioio ioko ioof iooi iooo iori ircc ircd irdc irdo iri- iric irid irio irki irob iroc irod irrc irri k-ci k-id kbbb kbbc kbbd kbbf kbbi kbbk kbbo kbbr kbcb kbci kbck kbco kbcr kbdb kbdf kbdi kbdo kbdr kbfb kbfc kbff kbfi kbfk kbfo kbfr kbib kbic kbid kbif kbik kbio kbkb kbkf kbkk kbko kbkr kbob kboc kbod kboi kbok kboo kbrb kbrc kbrd kbrf kbri kbrk kbro kcbc kcbd kcbf kcbi kcbk kcbr kccb kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kcfb kcfc kcfd kcfi kcfo kcic kcid kcif kcii kcir kckc kckf kckk kcko kckr kcob kcof kcor kcrc kcri kcro kcrr kdbb kdbi kdbr kdcc kdcd kdco kdcr kddb kddc kddd kddf kddi kddk kddr kdfc kdfi kdfo kdfr kdic kdio kdkb kdkd kdkk kdko kdkr kdoc kdok kdrb kdrf kdri kdro kfbc kfbk kfcd kfcf kfco kfcr kffb kfff kffk kfio kfir kfkb kfok kfoo kfor kfrc kfrd kfri kfro kfrr kibb kibc kibi kibo kibr kicb kicc kicd kick kicr kidb kidd kidi kidk kido kidr kiff kifr kiic kiid kiii kiik kikc kikd kikf kiki kikk kiko kikr kioc kiod kioi kiok kioo kirb kirc kirf kiri kirk kiro kirr kkbb kkbd kkbi kkbo kkbr kkcb kkcd kkci kkck kkco kkcr kkdc kkdd kkdo kkfi kkfr kkic kkid kkik kkkk kkob kkoo kkor kkrb kkrc kkrf kkrk kkro kkrr kobb kobc kobi kobk kobo kobr kocb kocd kocf koci kock kodi kodk kodo kofc koff kofi kofk kofo koii koir kokb kokc kokf koki kokk koko kokr koob kooc kooi kook kooo koor korb korc kord korf kori kork koro korr krbb krbd krbi krbk krbr krcb krcc krcd krci krco krdc krdd krdo krdr krfc krfd krff krfo krib krid krik krio krkc krkd krki krkk krko krkr krob kroc krod krof kroi krok kroo kror krrb krrc krrf krri krrk krro krrr obbo obid obkb oboi obok obor obri obro ocbc occc occi ocro ocrr odbo odci oddd oddi odic odio odir odoo odor ofcr ofdr off- offc offo offr ofid ofik ofor oici oick oido oiii oiko okic okir okko okok okor okro oobi oocr oodi ooff ooid oooo oord orbb orbi orbo orci orco ordo orff orfi ori- oric orid orif orio orko oro- orof orok oror orri orro rbbb rbbr rcbc rcbo rccb rccc rcdc rcfc rcic rcid rcrd rdio rdoc rfdi rffc rfic rfid rib- ribo ricc rick rico ridc ridd ridi rido riff riif riki rikk riri rkkf rob- robb robi robo rocc rock roco rodd rodi rodo rofc roff rofo roid roif roik roio roir roki rokk roko rokr roob rood roof rooi rook roor rorc rori rork roro rrfc rrif rrrr