-aaa- aaaas aaasa aaass aabaa aabba aacbc aacsa aacsb aacss abaab ababa ababs abaca aback abacs abaka abasa abask abass abbac abbas abcas abccc acaca acacb acack acass accas akaba akasa akbas akkas asaak asaba asabc asack asaka asasa asbak asbca askas asksa assab assac assas b-cas babak babas babbs babka babsk bacab bacas bacca back- backa bakka baksa basab basak basca baska basks bassa bsaba c-a-c ca-ca caaba cabas cacak cacas cacks casas casca casks ccass ccccc csaba kaaba kaaks kabaa kabab kabak kabas kabba kabsa kakas kakka kasab kasak kasba kaska kassa saaba saabs saasa sabac sabak sabas sabca sabsa sacas sacc- sacca sacks sacsa sakac sakka saksa sasak sasca saska sassa sback scabs sccbc scsaa sscac sssss