a-ha aaaa aaab aaac aaah aaar aaas aaba aabb aabc aabh aabt aaca aacb aacc aach aacr aacs aact aacu aaha aahs aara aarc aars aart aaru aasa aasc aass aast aasu aata aatc aatt aaus abaa abab abac abar abas abat abau abb- abba abbb abbr abbs abbt abca abcb abcc abch abcr abcs abct abha abhr abhs abra abrc abrs abs- absa abss absu abta abts abtu abua abus abut ac-t acaa acab acac acar acas acat acba acca accc acch accs acct accu acha achh achr achs acht achu acr- acra acrc acrr acrs acsa acsc acss acst acta actc acth acts actt actu acu- acur acus acut ahab ahac ahah ahar ahas ahat ahau ahha ahhs ahra ahrc ahrr ahrs ahsa ahss ahta ahts ahua ahus arab arac arah arar aras arat arau arba arbh arbs arc- arca arch arcs arct arh- arhs arr- arra arrc arrh arrr arrs arrt arru ars- arsa arsc arst arsu arta artc arth artr arts arua arub arut asaa asab asac asah asar asas asat asau asba asbu asc- asca ascb ascc asch ascr asct asha ashs asht ashu asra asrc asrs asru assa assc assh assr asss asst assu asta astb astc astr asts asub asur asus at-t ataa atab atac atar atas atat atbs atca atcc atch atcr atcs atha aths atra atrc atru atsb atsc atst atta attr atts attu atua atub atuc atur atus auaa auca auch auct auht aur- aura ausa aush aust ausu aut- auth auts baaa baah baar baas baat baba babb babr babs babu bac- baca bacc bach bacs bact baha bahr bahs baht bahu bar- bara barb barc barh barr bars bart baru basa basc bash bass bast basu bata batc bath bats batt batu bau- baur bbas bbau bbbb bbbs bbch bbhs bbrc bcaa bcar bcas bcat bcbc bcbs bcca bccc bccs bchs bcra bcrs bcru bcsa bcsc bcss bctc bcts bcuc bhar bhat bhca bhcc bhhs bhra bhrt bhur bhut bhuu brab brac brah bras brat brau brca brcb brhs brrr brrs brsb brsr brst brtc bruc bruh brus brut bsaa bsac bsas bsat bscs bshs bsra bssc bsts btaa btcc btcs bths btrc btrt btss bttb btus buar buat buba bubb bubs bubu buca bucc buch bucs bucu buha buhr buhs bur- bura burb burh burr burs burt buru busa busc bush buss bust busu but- buta buts butt buus caaa caab caac caah caas caat caba cabs cabu cac- caca cacc cach cacr caha cahs caht cara carb carc carr cars cart casa casb casc cash casr cass cast casu cat- cata catb catc cath cats catt catu cauc caus caut cbac cbar cbat cbbc cbbs cbca cbcc cbcr cbcs cbct cbcu cbha cbhs cbrh cbrt cbsa cbsc cbta cbtc cbus ccaa ccab ccac ccar ccas ccat ccba ccbc ccca cccb cccc cccs cccu ccha cchr cchs ccra ccrc ccrs ccrt ccsa ccss ccst cctb cctc cctt ccuc ccus ccut chaa chab chac chah char chas chat chau chca chch chcs chha chhs chra chrb chrc chrr chrs chrt chsc chsh chsr chst chtr chtt chua chub chur chus chut crab crac crar cras crat crau crbc crbu crca crcc crcr crhs crrt crsa crss crst crtc crts crub crus crut csaa csab csac csar csas csat cscb cscc csch cscr cscs cshs csra csrc csrs cssa cssr csta cstc cstr csts csua csur csus ctab ctba ctbs ctca cths ctrc ctrs ctsa ctsc ctss ctsu ctta ctts cuau cub- cuba cubb cubs cuca cucc cura curb curr curs curt cusa cusb cush cuss cust cusu cut- cuta cutc cuth cuts cutt haab haar haas haat haba habs habt habu hacs haha hahs haht hara harc harh harr hars hart haru hasa hasc hash hass hast hata hatb hath hats hatt hatu hau- haus haut hbar hbbs hbhs hbrs hbss hbtu hcat hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcss hcst hhaa hhat hhhh hhhs hhus hrac hras hrhs hrrc hrta hrtb hsac hsas hsat hsbc hscc hsct hshs hsts hsua hsur htab htcc hths htra htsc httr huac huah huas huba hubb hubs huch hucs hucu huhs huhu hura hurr hurs hurt huru husa hush huss hust huta huth huts hutt hutu huub huus raab raas raat raba rabb rabs rabu rac- raca racc rach racs ract racu raha rahr rahs raht rahu rara rarb rars rasa rasc rash rass rast rasu rata rath rats ratt ratu raua raub rauc raus raut rbbb rbbr rbbs rbhs rbss rbst rcac rcas rcbc rccb rccc rccs rchb rchs rcsa rcsc rcss rctc rcts rhau rhhs rhus rrah rras rrat rrhs rrrr rsaa rscc rsch rscs rshs rssa rsts rstu rsua rtas rtca rtcc rths rtss rtts ruah ruas ruba rubb rubs rubu ruca ruch ruct ruhh ruhr ruhs rura rurc rurs ruru rusa rush russ rust rusu ruta ruth ruts rutt rutu sa-c saab saac saah saar saas saat saba sabb sabc sabr sabs sabu saca sacc sacr sacs sact sacu saha sahr sahs saht sahu sara sarc sarh sarr sars sart saru sasa sasc sash sass sast sata satb satc satr sats satt satu saua sauc sauh saur saus saut sbaa sbac sbar sbas sbbs sbca sbcc sbcs sbct sbhc sbhs sbsa sbst sbtc sbus scaa scab scac scar scas scat scba sccc sccs scct sch- scha schh schr schs scr- scra scrc scrs scsa scsc scsh scsr scst scsu sctc sctr scts scua scub scur scut shab shac shah shar shas shat shau shbs shbt shca shcc shha shhh shhs shrs shsc shts shua shub shur shus shut shuu sras srbc srcc srch srct srhs srta srtr srub ssaa ssab ssac ssas ssat ssau ssbr ssca sscc sscs sshs ssra ssrc ssrs sssa sssb sssc sssh ssss ssta sstb sstc ssth ssts stab stac star stas stat stau stbc stbs stca stcc stch stcs stcu sths stra strc strs stru stss sttc sttr stub stuc stur stus stut suar suas suat sub- suba