-ol bbb bbc bbd bbe bbk bbl bbo bcb bcc bcd bce bck bcl bco bdb bdc bdd bde bdk bdl bdo be- beb bec bed bee bek bel beo bkb bkc bke bkk bkl bko blb blc bld ble blk bll blo bob boc bod boe bok bol boo c-- cbb cbc cbd cbe cbk cbl cbo ccb ccc ccd cce cck ccl cco cdb cdc cdd cde cdk cdl cdo ce- ceb cec ced cee cek cel ceo ckb ckc ckd cko cl- clb clc cld cle clk cll clo co- cob coc cod coe cok col coo dbb dbc dbd dbe dbk dbl dbo dcb dcc dcd dce dck dcl dco ddb ddc ddd dde ddk ddl ddo de- deb dec ded dee dek del deo dkb dkc dke dkk dkl dko dl- dlb dlc dld dle dlk dll dlo dob doc dod doe dok dol doo ebb ebc ebd ebe ebk ebl ebo ec- ecb ecc ecd ece eck ecl eco ed- edb edc edd ede edk edl edo eeb eec eed eee eek eel eeo ekb ekc ekd eke ekl eko elb elc eld ele elk ell elo eo- eob eoc eod eoe eok eol eoo kbb kbc kbd kbe kbk kbl kbo kcb kcc kcd kce kck kcl kdb kdc kde kdk kdl kdo ke- keb kec ked kee kek kel keo kkb kkc kke kkk kkl kl- klb klc kld klo kob koc kod koe kok kol koo lbb lbc lbd lbe lbk lbl lbo lcb lcc lcd lce lck lcl lco ldb ldc ldd lde ldk ldl ldo leb lec led lee lek lel leo lkb lkl llb llc lld lle llk lll llo lob loc lod loe lok lol loo ob- obb obc obd obe obk obl obo oc- ocb occ ocd ock ocl oco odb odc odd ode odl odo oeb oec oed oee oel oeo okb okc okd oke okk okl oko olb olc old ole olk oll olo oo- oob ooc ood ook ool ooo

bbbb bbdd bbdo bbeb bblb bcbc bccc bccl bcde bcec bdbc bddc bdle bebb bebe bebo beck bede bedl bedo beeb beed beek beel beke beko beld bele belk bell belo beo- beod beok bldc bleb bled blee blek bleo blkb blkd blob bloc blod blok bloo bobb bobe bobo boce bock boco bodb bode bodo boec boee boel boeo boke boko bold bole bolk boll bolo boob booc bood booe book bool c-bo c-cd cbbc cbcc cbce cbcl cbdb cbdc cbdo cbec cbee cbkl cbko cblb cblc cbol ccbc cccb cccc cccl ccdc cced ccee ccel cclc ccob ccoc ccod cd-e cddb cddl cdec cec- cece ceco cedd cede cedo ceeb ceec ceel ceke cel- celc cele cell celo ceol ckbc ckbe ckck ckcl ckco ckdo ckob ckoc ckoo clcd cldc clec cled clee clek cleo clob clod cloe clok cloo cobb cobe cobo coce cock coco codd code codl coed coel cok- coke coko col- colb cold cole colk coll colo coob cood cook cool d-bo dbcc dcbc dccb dccc dccl dcdb dddd ddlc ddoc debe dec- decc decd dece deck decl deco dedd dede dedo deeb deed deek deel dek- deke deld dele delk dell delo deol dkdc dlbd dlco dobb dobe dobl doce dock doco dod- dodd dode dodo doek doel doke doko dold dole dolk doll dolo doob dood dook dool e-cl ebbc ebbo ebcc ebed ebel eboe ebol eboo ecbc ecbe eccb eccc ecce eccl ecco ecdc ecdl eced ecko eco- ecod ecol eddc edde eddo ede- edel edle edoc edod eede eeee eeke eele eeoc ekco ekeb eked ekek el-b elbe elbo elcb elce elco elde elec eled elee elek eleo elke elko elle ello elod elok eocd eode eole eolo k-lo kbbb kbbc kbbd kbbe kbbk kbbl kbbo kbcb kbce kbck kbcl kbco kbdb kbde kbdl kbdo kbeb kbec kbed kbee kbek kbel kbeo kbkb kbkk kbkl kbko kblb kbld kble kbll kblo kbob kboc kbod kboe kbok kboo kcbc kcbd kcbk kcbl kccb kccc kccd kcck kccl kcdc kcdd kceb kcec kced kcee kcel kceo kckc kckk kckl kcko kclc kcle kclk kcll kcob kcoe kcol kdbb kdbl kdcc kdcd kdce kdco kddb kddc kddd kddk kddl kdeb kdec kdel kdkb kdkd kdkk kdko kdlb kdlc kdld kdll kdlo kdoc kdoe kdok kebb kebc kebe keck keco kedb kedc kedd kede kedo keed keek keel kekb kekc keke kekl keko keld kele kelk kell kelo keok keol kkbb kkbd kkbe kkbl kkbo kkcb kkcd kkck kkcl kkco kkdc kkdd kkdl kkdo kked kkkk kklb kklc kkld kkll kklo kkob kkol kkoo klbb klbc klbd klbe klbl klcb klcc klcd klce klck klcl kldc kldd klde kleb klec kled klee klek kleo klkc klkk klkl klko kllb kllc klle kllk klob kloc kloe klok klol kloo kobb kobc kobe kobk kobo kocb kocd kock kode kodk kodl kodo koed koel kokb kokc koke kokk koko kolb kolc kold kole kolk koll kolo koob kooc kook kool kooo lbcc lcbc lccc lcce lcdd ldeo lebd lebo lece leck leco lede ledo leed leek leel leke lekk leko lele lell lelo leoc leod leok llcc lldb lldc lllc llll lloc llod lloo lob- lobb lobe lobo locc loce lock loco lode loeb loke lokk loko lold lole loll lolo loob looc lood looe look lool o-eo obbo obec obed obel obkb oble oboe obok obol ocbc occc oce oced ocee ocke oclc odbo oddd oded odel odeo odle odoo oec- oecc oedo oeec oele oked okko oklo okok okol olbo olcc oldb olde ole- oled oleo olle ollo oobe oold oolo oooo

-lock b-e-d bbbee bbook bcced bcell bckdk bcock bcode bebdo bebed bebek bebel beblo bebod becco becel becke bedde bedee bedel bedle bedok beebe beede beeke beeld beele bekke bekko bekok belbo belce belde belec beled belee belek bellb belle bello belok beode bleck bledd blede bleed bleek bleke blekk block bloke blood blook bo-bo bobek bobko boble boboc bobok bocce bocke bocle bodd- boded