a-ha aaaa aaab aaah aaar aaas aaba aabb aabh aabt aaha aahs aara aars aart aasa aass aast aata aatt abaa abab abar abas abat abb- abba abbb abbr abbs abbt abha abhr abhs abra abrs abs- absa abss abta abts ahab ahah ahar ahas ahat ahha ahhs ahra ahrr ahrs ahsa ahss ahta ahts arab arah arar aras arat arba arbh arbs arh- arhs arr- arra arrh arrr arrs arrt ars- arsa arst arta arth artr arts asaa asab asah asar asas asat asba asha ashs asht asra asrs assa assh assr asss asst asta astb astr asts at-t ataa atab atar atas atat atbs atha aths atra atsb atst atta attr atts baaa baah baar baas baat baba babb babr babs baha bahr bahs baht bar- bara barb barh barr bars bart basa bash bass bast bata bath bats batt bbas bbbb bbbs bbhs bhar bhat bhhs bhra bhrt brab brah bras brat brhs brrr brrs brsb brsr brst bsaa bsas bsat bshs bsra bsts btaa bths btrt btss bttb haab haar haas haat haba habs habt haha hahs haht hara harh harr hars hart hasa hash hass hast hata hatb hath hats hatt hbar hbbs hbhs hbrs hbss hhaa hhat hhhh hhhs hras hrhs hrta hrtb hsas hsat hshs hsts htab hths htra httr raab raas raat raba rabb rabs raha rahr rahs raht rara rarb rars rasa rash rass rast rata rath rats ratt rbbb rbbr rbbs rbhs rbss rbst rhhs rrah rras rrat rrhs rrrr rsaa rshs rssa rsts rtas rths rtss rtts saab saah saar saas saat saba sabb sabr sabs saha sahr sahs saht sara sarh sarr sars sart sasa sash sass sast sata satb satr sats satt sbaa sbar sbas sbbs sbhs sbsa sbst shab shah shar shas shat shbs shbt shha shhh shhs shrs shts sras srhs srta srtr ssaa ssab ssas ssat ssbr sshs ssra ssrs sssa sssb sssh ssss ssta sstb ssth ssts stab star stas stat stbs sths stra strs stss sttr taa- taar taas taat taba tabb tabs taha tahr tahs tara tarb tarr tars tart tasa tasb tash tasr tass tast tata tatb tath tatr tats tatt tbar tbas tbbs tbhs tbrb tbst tbta thaa thar thas that thbs thra thsr thss thtb thtr thts traa trab tras trat trhs trra trst trtr tsaa tsar tsat tshb tshs tssa tssr tsst tsts ttab ttbb ttss tttt