a-ha aaaa aaab aaah aaar aaas aaba aabb aabh aaha aahs aara aars aasa aass abaa abab abar abas abb- abba abbb abbr abbs abha abhr abhs abra abrs abs- absa abss ahab ahah ahar ahas ahha ahhs ahra ahrr ahrs ahsa ahss arab arah arar aras arba arbh arbs arh- arhs arr- arra arrh arrr arrs ars- arsa asaa asab asah asar asas asba asha ashs asra asrs assa assh assr asss baaa baah baar baas baba babb babr babs baha bahr bahs bar- bara barb barh barr bars basa bash bass bbas bbbb bbbs bbhs bhar bhhs bhra brab brah bras brhs brrr brrs brsb brsr bsaa bsas bshs bsra haab haar haas haba habs haha hahs hara harh harr hars hasa hash hass hbar hbbs hbhs hbrs hbss hhaa hhhh hhhs hras hrhs hsas hshs raab raas raba rabb rabs raha rahr rahs rara rarb rars rasa rash rass rbbb rbbr rbbs rbhs rbss rhhs rrah rras rrhs rrrr rsaa rshs rssa saab saah saar saas saba sabb sabr sabs saha sahr sahs sara sarh sarr sars sasa sash sass sbaa sbar sbas sbbs sbhs sbsa shab shah shar shas shbs shha shhh shhs shrs sras srhs ssaa ssab ssas ssbr sshs ssra ssrs sssa sssb sssh ssss