-aaa- aaarc aabaa aabba aabra aacbc aarna abaab ababa abaca abana abanc abann abara abarn abbac abban abbar abcan abccc abrac abran abrar acaca acacb acana acar- acara accra acrab anaba anana anara anban anbar ancar annan annar anncr ar-ab ara-c arab- araba araca arana aranc arara arbab arbar arcan arnac arnan arnar arran baarn baban babar babra bacab bacar bacca banan banar banba banca banna baraa barab barac baran barar barba barca barna barra braca bracc brana branc brann brrar brrrr c-a-c c-ran ca-ca caaan caaba caban cabra canan canar canna caraa carab carac carb- carna carra ccccc cnnnn craba crabb cran- crana crann crcna crnac crnca naban nabar nabba nacaa nacac nacar nacba naccc nacna nanan nann- nanna naran narc- narra ra-ra raaba rabab rabac raban rabba racan ranac ranca ranna rannc rccar