-th a-a a-b a-t aaa aab aah aao aar aas aat ab- aba abb abh abo abr abs abt aha ahb ahh aho ahr ahs aht aoa aob aoh aoo aor aos aot ar- ara arb arh aro arr ars art as- asa asb ash aso asr ass ast at- ata atb ath ato atr ats att baa bab bah bao bar bas bat bba bbb bbh bbo bbr bbs bbt bha bhb bhh bho bhr bhs bht boa bob boh boo bor bos bot bra brb brh bro brr brs brt bsa bsb bsh bso bsr bss bst bta btb bth bto btr bts btt haa hab hah hao har has hat hba hbb hbh hbo hbr hbs hbt hha hhb hhh hho hhr hhs hht hoa hob hoh hoo hor hos hot hr- hra hrb hrh hro hrr hrs hrt hsa hsb hsh hsr hss hst hta htb hth hto htr hts htt oaa oab oah oao oar oas oat ob- oba obb obh obo obr obs obt oha ohh oho ohr ohs oht oo- ooa oob ooh ooo oor oos oot or- ora orb orh oro orr ors ort os- osa osb osh oso osr oss ost ot- ota otb oth oto otr ots ott ra- raa rab rah rao rar ras rat rba rbb rbh rbo rbr rbs rbt rh- rha rhb rhh rho rhr rhs rht roa rob roh roo ror ros rot rra rrb rrh rrr rrs rrt rsa rsb rsh rso rsr rss rst rta rtb rto rtr rts rtt saa sab sah sao sar sas sat sba sbb sbh sbo sbr sbs sbt sh- sha shb shh sho shr shs sht soa sob soh soo sor sos sot sr- sra srb srh sro srr srs srt ss- ssa ssb ssh sso ssr sss sst sta stb sth sto str sts stt taa tab tah tao tar tas tat tba tbb tbh tbo tbr tbs tbt th- tha thb thh tho thr ths tht to- toa tob toh too tor tos tot tra trb trh tro trr trs trt tsa tsb tsh tso tsr tss tst tta ttb tth tto ttr tts ttt

a-ha aaaa aaab aaah aaar aaas aaba aabb aabh aabt aaha aahs aaoo aara aaro aars aart aasa aass aast aata aatt abaa abab abar abas abat abb- abba abbb abbo abbr abbs abbt abha abho abhr abhs aboa abob aboh aboo abor abos abot abra abro abrs abs- absa abss abta abts ahab ahah ahar ahas ahat ahha ahhs ahoa ahor ahot ahra ahrr ahrs ahsa ahso ahss ahta ahto ahts aoah aoba aora aorb aors aort aoss arab arah arar aras arat arba arbh arbs 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 asah asao asar asas asat asba asbo asha ashs asht asob 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 atha atho aths atob ator atos atot atra atro atsb atst atta atto attr atts baaa baah baar baas baat baba babb babo babr babs baha baho bahr bahs baht baoh baos bar- bara barb barh baro barr bars bart basa bash baso bass bast bata bath bato bats batt bbas bbbb bbbs bbhs bhao bhar bhat bhhs bhor bhot bhra bhrt boab boar boas boat boba bobb bobo bobs boha boho bohr bohs boht boob booh boor boos boot bor- bora borh boro borr bors bort bosa bosh boso boss bost bota botb both boto bots bott brab brah brao bras brat brhs broa brob broh broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bshs bsos bsra bsts btaa bths btob btor btrt btss bttb haab haar haas haat haba habo habs habt haha haho hahs haht haor hara harh haro harr hars hart hasa hash hass hast hata hatb hath hato hats hatt hbar hbbs hbhs hbos hbrs hbss hhaa hhat hhhh hhhs hoar hoas hoat hoba hobo hobs hoha hoho 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 hshs hsob hsts htab hths htoh htra httr oahs oara oars oass oast oath oats obas obba obbo obhs obor obos obot obra obrh obro obsr obss obst obts ohba ohho ohhs ohob ohoh ohos ohra ohso ohss ohta ohto ooaa ooba ooha ooho oohs oooh oooo ooos oora oort oosa oost ootb oots orab orah orao orar oras orat orba orbb orbo orbs orhs oro- oror oros orot orra orro orrs orsa orso orta orth orto orts osar osas osat osba osha osho oshs osoo osor osos osro ossa ossb osso osta ostr osts otar otas otbs otha otho othr oths oto- otoh otoo otor otos otra otro otrs otsa otso otta otto otts raab raas raat raba rabb rabo rabs raha rahr rahs raht raob raoh raos rara rarb raro rars rasa rash raso rass rast rata rath rato rats ratt rbbb rbbr rbbs rbhs rboh rbss rbst rhhs rhoa rhob rhoh rhos roab roar roas roat rob- roba robb robo robs robt roha rohr rohs roob roor roos root rora roro rort rosa rosh roso ross rost rota roth roto rotr rots rott rrah rras rrat rrhs rrrr rsaa rshs rsos rssa rsts rtas rths rtss rtts s-os saab saah saar saas saat saba sabb sabo sabr sabs saha saho sahr sahs saht saor saos sara sarh saro sarr sars sart sasa sash saso sass sast sata satb sato satr sats satt sbaa sbar sbas sbbs sbhs sbor sbot sbsa sbst shab shah shao shar shas shat shbs shbt shha shhh shhs shoa shoo shor shos shot shrs shts soar soas soat soba sobo sobr sobs sobt soha sohh soho sohs soor soos soot sora sorb sorh soro sorr sors sort sosa sosh soso soss