a-ha aaaa aaab aaaf aaah aaar aaas aaba aabb aabh aabt aafa aafb aaff aaha aahs aaoo aara aaro aars aart aasa aasf aass aast aata aatf aatt abaa abab abaf abar abas abat abb- abba abbb abbo abbr abbs abbt abff abha abho abhr abhs aboa abob abof aboh aboo abor abos abot abra abro abrs abs- absa absf abss abta abts afaa afao afar afat afbs affa affo affs afft afhs afoa afoo afor afr- afra afro afrs afsa afsb afst afta afts ahab ahah ahar ahas ahat ahfa ahha ahhs ahoa ahor ahot ahra ahrr ahrs ahsa ahso ahss ahta ahto ahts aoah aoba aora aorb aors aort aoss aotf arab araf arah arar aras arat arba arbh arbs arfa arfb arff arfs arft arh- arhs aroa arob aroo aror aros arr- arra arrh arro arrr arrs arrt ars- arsa arso arst arta arth arto artr arts asaa asab asaf asah asao asar asas asat asba asbo asfa asha ashs asht asob asof asor asos asot asra asro asrs assa assh asso assr asss asst asta astb asto astr asts at-t ataa atab atar atas atat atbs atfb atfs atha atho aths atob atof ator atos atot atra atro atsb atst atta atto attr atts baaa baaf baah baar baas baat baba babb babo babr babs baff bafo baft baha baho bahr bahs baht baoh baos bar- bara barb barf barh baro barr bars bart basa basf bash baso bass bast bata batf bath bato bats batt bbas bbbb bbbs bbhs bfas bffs bfhs bfsr bfta bfts bftt bhao bhar bhat bhff bhhs bhor bhot bhra bhrt bhsf boab boar boas boat boba bobb bobo bobs bofa boff bofh bofs boha boho bohr bohs boht boob boof booh boor boos boot bor- bora borf borh boro borr bors bort bosa bosh boso boss bost bota botb both boto bots bott brab braf brah brao bras brat brhs broa brob broh broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsfa bsff bsfs bshs bsos bsra bsts btaa btaf bths btob btor btrt btss bttb faaa faah faas faba fabo fabs fafa faff fafo faha fahr fahs fara farb faro farr fars fart fasa fash faso fass fast fata fatf fath fato fats fatt fbar fbhs fbrs ffar ffff ffhs ffrr ffsa ffss fftf fhas fhfs fhhs fhrs fhss foaf foar foba fobs fobt fofo fohr fohs foof foos foot for- fora forb foro forr fors fort fosa fosb fosh foso foss fost fota foth foto fots fott frab fras frat frhs frob froh fros frot frsb frso frst frta fsas fsfo fshb fshs fsra fssa fssf fsta fths ftos ftrs ftsa ftsr haab haaf haar haas haat haba habo habs habt hafb haff hafs haft haha haho hahs haht haor hara harf harh haro harr hars hart hasa hash hass hast hata hatb hath hato hats hatt hbar hbbs hbhs hbos hbrs hbss hfba hfhs hfrs hfss hhaa hhat hhhh hhhs hhof hoar hoas hoat hoba hobo hobs hoff hofs hoha hoho hoof hoor hoos hoot hora horo horr hors hort hosa hosh hoss host hota hotb hoth hoto hotr hots hott hras hrhs hrob hros hrso hrta hrtb hsas hsat hsfs hshs hsob hsts htab hths htoh htra httr oafo oafs oahs oara oars oass oast oath oats obas obba obbo obhs obor obos obot obra obrh obro obsr obss obst obts ofah ofas off- offa offh offo offr offs ofor ofra ofst ofta ohba ohho ohhs ohob ohoh ohos ohra ohso ohss ohta ohto ooaa ooba ooff oofs ooha ooho oohs oooh oooo ooos oora oort oosa oost ootb oots orab orah orao orar oras orat orba orbb orbo orbs orff orfs orhs oro- orof oror oros orot orra orro orrs orsa orso orta orth orto orts osaf osar osas osat osba osfa osha osho oshs osoo osor osos osro ossa ossb osso osta ostr osts otar otas otbs otha otho othr oths oto- otof otoh otoo otor otos otra otro otrs otsa otso otta otto otts raab raaf raas raat raba rabb rabo rabs rafa raff raft raha rahr rahs raht raob raoh raos rara rarb rarf raro rars rasa rash raso rass rast rata ratf rath rato rats ratt rbaf rbbb rbbr rbbs rbhs rboh rbss rbst rfhs rhfs rhhs rhoa rhob rhoh rhos roab roaf roar roas roat rob- roba robb robo robs robt roff rofo roha rohr rohs roob roof roor roos root rora roro rort rosa rosh roso ross rost rota roth roto rotr rots rott rrah rras rrat rrhs rrrr rsaa rsaf rshs rsos rssa rsts rtas rtbf rtfb rths rtss rtts s-os saab saaf saah saar saas saat saba sabb sabo sabr sabs safa safb saff safo safr saft saha saho sahr sahs saht saor saos sara sarf sarh saro sarr sars sart sasa sasf sash saso sass sast sata satb sato satr sats satt sbaa sbar sbas sbbs sbhs sbor sbot sbsa sbst sfar sfas sfba sfha sfhs sfor sfos sfra sfro sfss sfts shab shah shao shar shas shat shbs shbt shft shha shhh shhs shoa shof shoo shor shos shot shrs shts soar soas soat soba sobo sobr sobs sobt sofa sofo soft soha sohh soho sohs soof soor soos soot sora sorb sorh soro sorr sors sort sosa sosh soso soss sost sota soth soto sots sraf sras srhs sros srta srtr ssaa ssab ssao ssas ssat ssbr sshs ssot ssra ssrs sssa sssb sssf sssh ssss ssta sstb ssth ssts stab star stas stat stbs sths stoa stob stof stoo stor stos stot stra stro strs stsf stss sttr taa- taaf taar taas taat taba tabb tabo tabs tafa taff tafo taft taha taho tahr tahs taoa taor taos tara tarb tarf taro tarr tars tart tasa tasb tash tasr tass tast tata tatb tath tato tatr tats tatt tbaf tbar tbas tbbs tbhs tbrb tbst tbta tfot tfrs tfss thaa thao thar thas that thbs thof thoo thor thos