bbbb bbci bbdd bbeb bcbc bccc bcci bcde bcec bcie bdbc bddc bdii bebb bebe bebi beci bede bedi beeb beed beic bezd beze bezi bibb bibe bibi bicc bice bici bide bidi bieb bied bize bizz bzie bzzz c-cd cbbc cbcc cbce cbdb cbdc cbdi cbec cbee cbid ccbc cccb cccc ccci ccdc ccdi cced ccee ccic ccid ccii cd-e cddb cdec cdic cdii cec- cece ceci cedd cede cedi ceeb ceec ceze cibc cibe cibi cicc cici cidc cide cidi ciee ciez ciid ciii cize dbcc dcbc dccb dccc dcci dcdb dcii dddd ddie debe debi dec- decc decd dece deci dedd dede dedi deeb deed deid deie deze dibb dibe dice dici dide didi dieb died diez diii dize dizi dizz dzbb dzze ebbc ebcc ebed ebic ebid ecbc ecbe eccb eccc ecce ecci ecdc eced ecib eddc edde eddi ede- edei edie eede eeee eeze eid- eide eidi eiec eied eiei ezed i-be ibec ibed ibid ibie icbc icbd iccb iccc icci icdc icdd icde icec iced icee idbe idce idec ided idee idic idid idie iecc ieie iicd iide iied iiie iiii ized izze zebe zedd zede zedi zeid zeze zice zide zidi zizi zizz zzzz