-th a-a a-b a-c a-t aaa aab aac aaf aah aar aas aat aau ab- aba abb abc abf abh abr abs abt abu ac- aca acb acc acf ach acr acs act acu af- afa afb afc aff afh afr afs aft afu aha ahb ahc ahf ahh ahr ahs aht ahu ar- ara arb arc arf arh arr ars art aru as- asa asb asc asf ash asr ass ast asu at- ata atb atc atf ath atr ats att atu au- aua aub auc auf auh aur aus aut b-u baa bab bac baf bah bar bas bat bau bba bbb bbc bbf bbh bbr bbs bbt bbu bca bcb bcc bcf bch bcr bcs bct bcu bfa bfb bfc bff bfh bfr bfs bft bfu bha bhb bhc bhf bhh bhr bhs bht bhu bra brb brf brh brr brs brt bru bsa bsb bsc bsf bsh bsr bss bst bsu bta btb btc btf bth btr bts btt btu bua bub buc buf buh bur bus but buu c-- caa cab cac caf cah car cas cat cau cba cbb cbc cbf cbh cbr cbs cbt cbu cca ccb ccc ccf cch ccr ccs cct ccu cfa cfb cfc cff cfh cfr cfs cft cfu ch- cha chb chc chf chh chr chs cht chu cra crb crc crf crh crr crs crt cru csa csb csc csf csh csr css cst csu cta ctb ctc ctf cth ctr cts ctt ctu cua cub cuc cuf cuh cur cus cut cuu faa fab fac faf fah far fas fat fau fba fbb fbc fbf fbh fbr fbs fbt fbu fca fcb fcc fcf fcr fcs fct fcu ffa ffc fff ffh ffr ffs fft ffu fha fhb fhc fhf fhh fhr fhs fra frb frc frf frh frr frs frt fru fsa fsb fsc fsf fsh fsr fss fst fsu fta ftb ftc ftf fth ftr fts ftt ftu fua fub fuf fur fus fut fuu haa hab hac haf hah har has hat hau hba hbb hbc hbf hbh hbr hbs hbt hbu hca hcb hcc hcf hch hcr hcs hct hfa hfb hfc hff hfh hfr hfs hft hfu hha hhb hhc hhf hhh hhr hhs hht hhu hr- hra hrb hrc hrf hrh hrr hrs hrt hru hsa hsb hsc hsf hsh hsr hss hst hsu hta htb htc htf hth htr hts htt hua hub huc huf huh hur hus hut huu ra- raa rab rac raf rah rar ras rat rau rba rbb rbc rbf rbh rbr rbs rbt rbu rca rcb rcc rcf rch rcr rcs rct rcu rfa rfb rfc rff rfh rfr rfs rft rfu rh- rha rhb rhc rhf rhh rhr rhs rht rhu rra rrb rrc rrf rrh rrr rrs rrt rru rsa rsb rsc rsf rsh rsr rss rst rsu rta rtb rtc rtf rtr rts rtt rtu rua rub ruc ruf ruh rur rus rut ruu saa sab sac saf sah sar sas sat sau sba sbb sbc sbf sbh sbr sbs sbt sbu sca scb scc scf sch scr scs sct scu sfa sfb sfc sff sfh sfr sfs sft sfu sh- sha shb shc shf shh shr shs sht shu sr- sra srb src srf srh srr srs srt ss- ssa ssb ssc ssf ssh ssr sss sst ssu sta stb stc stf sth str sts stt stu sua sub suc suf suh sur sus sut suu taa tab tac taf tah tar tas tat tau tba tbb tbc tbf tbh tbr tbs tbt tbu tca tcb tcc tcf tch tcr tcs tct tcu tfa tfb tfc tff tfh tfr tfs tft tfu th- tha thb thc thf thh thr ths tht thu tra trb trc trf trh trr trs trt tru tsa tsb tsc tsf tsh tsr tss tst tsu tta ttb ttc ttf tth ttr tts ttt ttu tua tub tuc tuf tuh tur tus tut tuu ua- uaa uab uac uaf uah uar uas uat uau uba ubb ubc ubf ubh ubr ubs ubt ubu uca ucb ucc ucf uch ucr ucs uct ucu ufa ufc uff ufh ufr ufs uft ufu uha uhb uhc uhf uhh uhr uhs uht uhu ur- ura urb urc urf urr urs urt uru usa usb usc usf ush usr uss ust usu uta utb utc utf uth utr uts utt utu uua uuc uur uus uut uuu

a-fu a-ha aaaa aaab aaac aaaf aaah aaar aaas aaba aabb aabc aabh aabt aaca aacb aacc aacf aach aacr aacs aact aacu aafa aafb aafc aaff aaha aahs aara aarc aars aart aaru aasa aasc aasf aass aast aasu aata aatc aatf aatt aaus abaa abab abac abaf abar abas abat abau abb- abba abbb abbr abbs abbt abca abcb abcc abcf abch abcr abcs abct abff abha abhr abhs abra abrc abrs abs- absa absf abss absu abta abts abtu abua abuf abus abut ac-t acaa acab acac acar acas acat acba acca accc accf acch accs acct accu acfc acfs acft acha achh achr achs acht achu acr- acra acrc acrr acrs acsa acsc acss acst acta actc actf acth acts actt actu acu- acuf acur acus acut afaa afar afat afbs afca afcb afcc afch afcs afcu affa affc affs afft afhs afr- afra afrc afrs afru afsa afsb afsc afst afta aftc afts afua afus ahab ahac ahah ahar ahas ahat ahau ahfa ahha ahhs ahra ahrc ahrr ahrs ahsa ahss ahta ahts ahua ahus arab arac araf arah arar aras arat arau arba arbh arbs arc- arca arch arcs arct arfa arfb arfc arff arfs arft arfu 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 asaf asah asar asas asat asau asba asbu asc- asca ascb ascc asch ascr asct asfa asha ashs asht ashu asra asrc asrs asru assa assc assh assr asss asst assu asta astb astc astr