-aaa- aaace aaaee aabaa aabba aacbc abaab ababa ababe abaca abana abanc abann abbac abban abcan abccc abean abeba abebe abece abene acaca acacb acana aceae acene aeaea aebbe aenea anaba anace anaea anana anane anban annan annee annen baabe baban babec babee baben bacab bacca bacea bacen bacne baena banan banba banca bance banna banne bbbee beana beanb beane becan becca beeac beebe beena beene benab benac benan bence bene- benna benne c-a-c ca-ca caaan caaba caban caben caec- caeca caen- canae canan canbe canea canna canne ccccc ceace ceann cebec ceeac ceene cenac cenae cence cnnnn eance eanna ebana ebane ebean ebene eccen eecca eeeee eence ennab ennea naban nabba nabbe nacaa nacac nacba naccc nacna nanan nance nann- nanna nanne neane neece neena nnebe