-th a-a a-b a-c a-t aaa aab aac aah aaj aan aao aar aas aat ab- aba abb abc abh abj abn abo abr abs abt ac- aca acb acc ach acj acn aco acr acs act aha ahb ahc ahh ahj ahn aho ahr ahs aht aja ajb ajc ajh ajj ajn ajo ajr ajs ajt an- ana anb anc anh anj ann ano anr ans ant aoa aob aoc aoh aoj aon aoo aor aos aot ar- ara arb arc arh arj arn aro arr ars art as- asa asb asc ash asj asn aso asr ass ast at- ata atb atc ath atn ato atr ats att baa bab bac bah baj ban bao bar bas bat bba bbb bbc bbh bbn bbo bbr bbs bbt bca bcb bcc bch bcj bcn bco bcr bcs bct bha bhb bhc bhh bhj bho bhr bhs bht bja bjc bjj bjn bjr bjs bjt bna bnb bnc bnj bnn bno bnr bns bnt boa bob boc boh boj bon boo bor bos bot bra brb brh brj brn bro brr brs brt bsa bsb bsc bsh bsj bsn bso bsr bss bst bta btb btc bth btn bto btr bts btt c-- c-j caa cab cac cah caj can cao car cas cat cba cbb cbc cbh cbj cbn cbo cbr cbs cbt cca ccb ccc cch ccj ccn cco ccr ccs cct ch- cha chb chc chh chn cho chr chs cht cja cjb cjc cjr cjs cn- cna cnb cnc cnh cnj cnn cno cnr cns cnt co- coa cob coc coh coj con coo cor cos cot cra crb crc crh crj crn cro crr crs crt csa csb csc csh csj csn cso csr css cst cta ctb ctc cth ctn cto ctr cts ctt haa hab hac hah haj han hao har has hat hba hbb hbc hbh hbj hbn hbo hbr hbs hbt hca hcb hcc hch hcj hcn hco hcr hcs hct hha hhb hhc hhh hhj hhn hho hhr hhs hht hja hjn hjo hjr hjs hjt hna hnb hnc hnh hnj hnn hno hns hnt hoa hob hoc hoh hon hoo hor hos hot hr- hra hrb hrc hrh hrj hrn hro hrr hrs hrt hsa hsb hsc hsh hsj hsn hsr hss hst hta htb htc hth htj htn hto htr hts htt jaa jab jac jah jaj jan jao jar jas jat jba jbc jbj jbo jbr jbs jbt jca jcb jcc jch jco jcr jcs jct jha jhc jhj jhn jho jhr jhs jht jja jjb jjc jjj jjr jjs jna jnc jnh jnj jnn jno jnr jns jnt joa job joc joh joj jon joo jor jos jot jra jrb jrc jrn jro jrr jrs jrt jsa jsb jsc jsh jsj jsn jso jsr jss jst jta jtb jtc jth jtn jtr jts jtt naa nab nac nah naj nan nao nar nas nat nba nbb nbc nbn nbo nbr nbs nbt nca ncb ncc nch ncn nco ncr ncs nct nha nhb nhc nhh nhj nhn nhr nhs nht nja njc njn njs nna nnb nnc nnh nnn nno nns nnt no- noa nob noc noh noj non noo nor nos not nra nrb nrc nrj nrn nro nrr nrs nrt nsa nsb nsc nsh nsn nso nsr nss nst nta ntb ntc nth ntn nto ntr nts ntt oaa oab oac oah oaj oan oao oar oas oat ob- oba obb obc obh obj obn obo obr obs obt oc- oca ocb occ och ocj ocn oco ocr ocs oct oha ohc ohh ohn oho ohr ohs oht oja ojb ojc ojo ojs on- ona onb onc onh onj onn ono onr ons ont oo- ooa oob ooc ooh oon ooo oor oos oot or- ora orb orc orh orn oro orr ors ort os- osa osb osc osh osj osn oso osr oss ost ot- ota otb otc oth otn oto otr ots ott ra- raa rab rac rah raj ran rao rar ras rat rba rbb rbc rbh rbn rbo rbr rbs rbt rca rcb rcc rch rcj rcn rco rcr rcs rct rh- rha rhb rhc rhh rhn rho rhr rhs rht rja rjc rjr rna rnb rnc rnh rnn rno rnr rns rnt roa rob roc roh roj ron roo ror ros rot rra rrb rrc rrh rrn rrr rrs rrt rsa rsb rsc rsh rsj rsn rso rsr rss rst rta rtb rtc rtj rtn rto rtr rts rtt saa sab sac sah saj san sao sar sas sat sba sbb sbc sbh sbj sbn sbo sbr sbs sbt sca scb scc sch scj scn sco scr scs sct sh- sha shb shc shh shn sho shr shs sht sja sjb sjc sjh sjj sjr sjs sjt sna snb snc snj snn sno snr sns snt soa sob soc soh soj son soo sor sos sot sr- sra srb src srh srj srn sro srr srs srt ss- ssa ssb ssc ssh ssj ssn sso ssr sss sst sta stb stc sth stj stn sto str sts stt taa tab tac tah taj tan tao tar tas tat tba tbb tbc tbh tbj tbn tbo tbr tbs tbt tca tcb tcc tch tcj tcn tco tcr tcs tct th- tha thb thc thh thn tho thr ths tht tjc tjo tjr tjs tna tnb tnc tnh tnn tno tnr tns tnt to- toa tob toc toh toj ton too tor tos tot tra trb trc trh trn tro trr trs trt tsa tsb tsc tsh tsj tsn tso tsr tss tst tta ttb ttc tth ttn tto ttr tts ttt

-ana a-ha aaaa aaab aaac aaah aaan aaar aaas aaba aabb aabc aabh aabt aaca aacb aacc aach aacn aaco aacr aacs aact aaha aahs aana aaon aaoo aara aarc aaro aars aart aasa aasc aass aast aata aatc aatt abaa abab abac abaj aban abar abas abat abb- abba abbb abbo abbr abbs abbt abca abcb abcc abch