-th a-a a-b a-t aaa aab aaf aah aao aar aas aat ab- aba abb abf abh abo abr abs abt af- afa afb aff afh afo afr afs aft aha ahb ahf ahh aho ahr ahs aht aoa aob aof aoh aoo aor aos aot ar- ara arb arf arh aro arr ars art as- asa asb asf ash aso asr ass ast at- ata atb atf ath ato atr ats att baa bab baf bah bao bar bas bat bba bbb bbf bbh bbo bbr bbs bbt bfa bfb bff bfh bfo bfr bfs bft bha bhb bhf bhh bho bhr bhs bht boa bob bof boh boo bor bos bot bra brb brf brh bro brr brs brt bsa bsb bsf bsh bso bsr bss bst bta btb btf bth bto btr bts btt faa fab faf fah fao far fas fat fba fbb fbf fbh fbo fbr fbs fbt ffa fff ffh ffo ffr ffs fft fha fhb fhf fhh fho fhr fhs foa fob fof foh foo for fos fot fra frb frf frh fro frr frs frt fsa fsb fsf fsh fso fsr fss fst fta ftb ftf fth fto ftr fts ftt haa hab haf hah hao har has hat hba hbb hbf hbh hbo hbr hbs hbt hfa hfb hff hfh hfo hfr hfs hft hha hhb hhf hhh hho hhr hhs hht hoa hob hof hoh hoo hor hos hot hr- hra hrb hrf hrh hro hrr hrs hrt hsa hsb hsf hsh hsr hss hst hta htb htf hth hto htr hts htt oaa oab oaf oah oao oar oas oat ob- oba obb obf obh obo obr obs obt of- ofa ofb off ofo ofr ofs oft oha ohf ohh oho ohr ohs oht oo- ooa oob oof ooh ooo oor oos oot or- ora orb orf orh oro orr ors ort os- osa osb osf osh oso osr oss ost ot- ota otb otf oth oto otr ots ott ra- raa rab raf rah rao rar ras rat rba rbb rbf rbh rbo rbr rbs rbt rfa rfb rff rfh rfo rfr rfs rft rh- rha rhb rhf rhh rho rhr rhs rht roa rob rof roh roo ror ros rot rra rrb rrf rrh rrr rrs rrt rsa rsb rsf rsh rso rsr rss rst rta rtb rtf rto rtr rts rtt saa sab saf sah sao sar sas sat sba sbb sbf sbh sbo sbr sbs sbt sfa sfb sff sfh sfo sfr sfs sft sh- sha shb shf shh sho shr shs sht soa sob sof soh soo sor sos sot sr- sra srb srf srh sro srr srs srt ss- ssa ssb ssf ssh sso ssr sss sst sta stb stf sth sto str sts stt taa tab taf tah tao tar tas tat tba tbb tbf tbh tbo tbr tbs tbt tfa tfb tff tfh tfo tfr tfs tft th- tha thb thf thh tho thr ths tht to- toa tob tof toh too tor tos tot tra trb trf trh tro trr trs trt tsa tsb tsf tsh tso tsr tss tst tta ttb ttf tth tto ttr tts ttt

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