bbbb bbci bbdd bbdo bbeb bcbc bcbp bccc bcci bcde bcec bcie bcpp bdbc bddc bdii bdpc bebb bebe bebi bebo beci bede bedi bedo beeb beed beep beic beo- beod bepo bibb bibe bibi bibo bicc bice bici bico bide bidi bido bieb bied bio- bioc bioi bipp bobb bobe bobi bobo boce boco bodb bode bodi bodo boec boee boeo boep boi- boid boie boii boob booc bood booe boop bope bopp bpcp bpoe c-bo c-cd cbbc cbcc cbce cbcp cbdb cbdc cbdi cbdo cbec cbee cbid cbpc cbpp ccbc cccb cccc ccci cccp ccdc ccdi ccdp cced ccee ccic ccid ccii ccip ccob ccoc ccod ccpe ccpp cd-e cddb cdec cdic cdii cdio cebp cec- cece ceci ceco cecp cedd cede cedi cedo ceeb ceec ceip ceop cepc cepe cepo cepp cibc cibe cibi cibo cicc cici cico cidc cide cidi cidp ciee ciid ciii ciob cipo cipp cobb cobe cobi cobo coce coco cocp codd code codi coed coep coip coob cood coop copd cope copi copo copp cpbc cpce cpeb cpep cpic cpio cppd d-bo dbcc dbcp dbpc dbpd dcbc dccb dccc dcci dccp dcdb dcii dcio dcop dcpo dddd ddie ddoc ddpo debe debi dec- decc decd dece deci deco dedd dede dedi dedo deeb deed deep deid deie deip deop depc depe depo depp dibb dibe dibo dibp dice dici dico dide didi dido dieb died diep diii dioc diop dipc dipe dipo dipp dobb dobe dobi doce doci doco dod- dodd dode dodi dodo doid doob dood doop dope dopo dopp dpbc dpci dpcp dpie dppc ebbc ebbo ebcc ebed ebic ebid eboe eboo ebpo ecbc ecbe eccb eccc ecce ecci ecco ecdc eced ecib ecip eco- ecod ecop ecpd ecpp eddc edde eddi eddo eddp ede- edei edie edip edoc edod eede eeee eeoc eico eid- eide eidi eido eiec eied eiei eipo eocd eode epcc epci epec epee epi- epic epid epie epip epoc epod eppc eppo eppp i-be ibdo ibec ibed ibid ibie icbc icbd icbp iccb iccc icci icco iccp icdc icdd icde icdp icec iced icee icoc icod icpc icpd icpo idbe idce iddo idec ided idee ideo idic idid idie idio idoc iecc ieie ieio iicd iide iied iiie iiii iiio iioi iioo iiop iobi ioci iocp iod- iodd iode iodo ioee ioii ioio iooi iooo ipcc ipce ipdc ipdi ipec ipid ipie ipod ipoe ipop ippc ippo o-eo obbo obec obed obid obie oboe oboi ocbc occc occi oce oced ocee ocpd ocpp odbo odci oddd oddi oded odei odeo odic odie odio odoo odop oec- oecc oedo oeec oeid oici oido oiii oipc oobe oobi oodi ooid oooo opec oped opei opep opic opie opii opio opo- oppi oppo pbcc pbed pboc pcbc pccc pcce pcep pcip pcod pcoe pcpb pcpp pdci pdcp pdic pdoc pece peci peco ped- pede pedi pedo peec peed peep peio peip pepd pepe pepi pepo pibb pibi picc pice pici pico pide pido pied piep piip piob pipe pipi pipo pipp pobo pocd poce poco pod- podd pode podi podo poed poid poio pood poop pop- popc pope popi popo popp ppcc ppcd ppci ppib ppic ppid ppie ppod pppd pppo pppp