bbbb bbci bbdd bbdo bblb bcbc bccc bcci bccl bdbc bddc bdii bibb bibi bibl bibo bicc bici bick bico bidi bido biko bild bili bilk bill bilo bio- bioc bioi biol bldc blic blik blio blkb blkd blob bloc blod blok bloo bobb bobi bobo bock boco bodb bodi bodo boi- boid boii boil boki boko bold boli bolk boll bolo boob booc bood book bool c-bo c-cd cbbc cbcc cbcl cbdb cbdc cbdi cbdo cbid cbkl cbko cblb cblc cbol ccbc cccb cccc ccci cccl ccdc ccdi ccic ccid ccii ccil cclc ccli ccob ccoc ccod cddb cddl cdic cdii cdio cdli cibc cibi cibo cicc cici cico cidc cidi ciid ciii ciko cili cilk cill cilo ciob ckbc ckbi ckck ckcl ckco ckdo ckob ckoc ckoi ckoo clcd cldc clib clic clii clik clio clob clod clok cloo cobb cobi cobo cock coco codd codi codl coil cok- coko col- colb cold coli colk coll colo coob cood cook cool d-bo dbcc dcbc dccb dccc dcci dccl dcdb dcii dcil dcio dcli dddd ddlc ddoc dibb dibo dici dick dico didi dido diii diki diko dili dilk dill dilo dioc diol dkdc dkid dlbd dlco dlib dlii dlil dobb dobi dobl doci dock doco dod- dodd dodi dodo doid doil doki doko dold doli dolk doll dolo doob dood dook dool ibdo ibid icbc icbd iccb iccc icci iccl icco icdc icdd icdl icll icoc icod iddo idic idid idil idio idli idoc idol iicd iiii iiio iioi iioo ikid ikki ikko ikoo ilbc ilcd ilic ilio ilki ill- illd illi illo iloc ilok iloo iobi ioci iod- iodd iodo ioii ioio ioko iolo iooi iooo k-ci k-id k-lo kbbb kbbc kbbd kbbi kbbk kbbl kbbo kbcb kbci kbck kbcl kbco kbdb kbdi kbdl kbdo kbib kbic kbid kbik kbil kbio kbkb kbkk kbkl kbko kblb kbld kbll kblo kbob kboc kbod kboi kbok kboo kcbc kcbd kcbi kcbk kcbl kccb kccc kccd kcci kcck kccl kcdc kcdd kcdi kcic kcid kcii kcil kckc kckk kckl kcko kclc kcli kclk kcll kcob kcol kdbb kdbi kdbl kdcc kdcd kdco kddb kddc kddd kddi kddk kddl kdic kdil kdio kdkb kdkd kdkk kdko kdlb kdlc kdld kdll kdlo kdoc kdok kibb kibc kibi kibl kibo kicb kicc kicd kick kicl kidb kidd kidi kidk kidl kido kiic kiid kiii kiik kikc kikd kiki kikk kiko kilb kild kili kilk kill kilo kioc kiod kioi kiok kiol kioo kkbb kkbd kkbi kkbl kkbo kkcb kkcd kkci kkck kkcl kkco kkdc kkdd kkdl kkdo kkic kkid kkik kkkk kklb kklc kkld kkli kkll kklo kkob kkol kkoo klbb klbc klbd klbl klcb klcc klcd klci klck klcl kldc kldd klib klic klid klik klil klio klkc klkk klkl klko kllb kllc kllk klob kloc klok klol kloo kobb kobc kobi kobk kobo kocb kocd koci kock kodi kodk kodl kodo koii koil kokb kokc koki kokk koko kolb kolc kold koli kolk koll kolo koob kooc kooi kook kool kooo lbcc lcbc lccc lcdd ldci libc libo lick lico lidb lidl lido liii liko lilb lili lill lilo lio- liod llcc lldb lldc lllc llll lloc llod lloo lob- lobb lobi lobo locc loci lock loco lodi loic loid loik loki lokk loko lold loli loll lolo loob looc lood look lool obbo obid obkb oboi obok obol ocbc occc occi oclc odbo odci oddd oddi odic odio odoo oici oick oido oiii oiko okic okko oklo okok okol olbo olcc oldb olib olic olid olio olki olli ollo oobi oodi ooid oold oolo oooo