-er -th a-a a-b a-c a-t aaa aab aac aad aae aah aar aas aat ab- aba abb abc abd abe abh abr abs abt ac- aca acb acc acd ace ach acr acs act ad- ada adb adc add ade adh adr ads adt aea aeb aec aed aee aeh aer aes aet aha ahb ahc ahd ahe ahh ahr ahs aht ar- ara arb arc ard are arh arr ars art as- asa asb asc asd ase ash asr ass ast at- ata atb atc atd ate ath atr ats att baa bab bac bad bae bah bar bas bat bba bbb bbc bbd bbe bbh bbr bbs bbt bca bcb bcc bcd bce bch bcr bcs bct bda bdb bdc bdd bde bdh bdr bds bdt be- bea beb bec bed bee beh ber bes bet bha bhb bhc bhd bhe bhh bhr bhs bht bra brb brd bre brh brr brs brt bsa bsb bsc bsd bse bsh bsr bss bst bta btb btc btd bte bth btr bts btt c-- caa cab cac cad cae cah car cas cat cba cbb cbc cbd cbe cbh cbr cbs cbt cca ccb ccc ccd cce cch ccr ccs cct cda cdb cdc cdd cde cdh cdr cds cdt ce- cea ceb cec ced cee ceh cer ces cet ch- cha chb chc chd che chh chr chs cht cra crb crc crd cre crh crr crs crt csa csb csc csd cse csh csr css cst cta ctb ctc ctd cte cth ctr cts ctt daa dab dac dad dae dah dar das dat dba dbb dbc dbd dbe dbh dbr dbs dbt dca dcb dcc dcd dce dcr dcs dct dda ddb ddc ddd dde ddh ddr dds ddt de- dea deb dec ded dee deh der des det dh- dha dhb dhc dhd dhe dhh dhr dhs dht dra drb drc drd dre drr drs drt dsa dsb dsc dsd dse dsh dsr dss dst dta dtb dtc dtd dte dth dtr dts dtt eaa eab eac ead eae eah ear eas eat eba ebb ebc ebd ebe ebh ebr ebs ebt ec- eca ecb ecc ecd ece ech ecr ecs ect ed- eda edb edc edd ede edh edr eds edt eea eeb eec eed eee eer ees eet eha ehb ehc ehd ehe ehh ehr ehs eht era erb erc erd ere erh err ers ert es- esa esb esc esd ese esh esr ess est eta etb etc etd ete eth etr ets ett haa hab hac had hae hah har has hat hba hbb hbc hbd hbe hbh hbr hbs hbt hca hcb hcc hcd hce hch hcr hcs hct hda hdb hdc hdd hde hdh hdr hds hdt he- hea heb hec hed hee heh her hes het hha hhb hhc hhd hhe hhh hhr hhs hht hr- hra hrb hrc hrd hre hrh hrr hrs hrt hsa hsb hsc hsd hse hsh hsr hss hst hta htb htc htd hte hth htr hts htt ra- raa rab rac rad rae rah rar ras rat rba rbb rbc rbd rbe rbh rbr rbs rbt rca rcb rcc rcd rce rch rcr rcs rct rda rdb rdc rdd rde rdh rdr rds rdt re- rea reb rec red ree reh rer res ret rh- rha rhb rhc rhd rhe rhh rhr rhs rht rra rrb rrc rrd rrh rrr rrs rrt rsa rsb rsc rsd rse rsh rsr rss rst rta rtb rtc rtd rte rtr rts rtt saa sab sac sad sae sah sar sas sat sba sbb sbc sbd sbe sbh sbr sbs sbt sca scb scc scd sce sch scr scs sct sda sdb sdc sdd sde sdh sdr sds sdt se- sea seb sec sed see seh ser ses set sh- sha shb shc shd she shh shr shs sht sr- sra srb src srd sre srh srr srs srt ss- ssa ssb ssc ssd sse ssh ssr sss sst sta stb stc std ste sth str sts stt taa tab tac tad tae tah tar tas tat tba tbb tbc tbd tbe tbh tbr tbs tbt tca tcb tcc tcd tce tch tcr tcs tct tda tdb tdc tdd tde tdh tdr tds tdt te- tea teb tec ted tee teh ter tes tet th- tha thb thc thd the thh thr ths tht tra trb trc trd tre trh trr trs trt tsa tsb tsc tsd tse tsh tsr tss tst tta ttb ttc ttd tte tth ttr tts ttt

-ase a-be a-ha aaaa aaab aaac aaad aaae aaah aaar aaas aaba aabb aabc aabd aabh aabt aaca aacb aacc aacd aace aach aacr aacs aact aada aadc aade aads aadt aaea aaec aaes aaha aahs aara aarc aard aare aars aart aasa aasc aasd aase aass aast aata aatc aatt abaa abab abac abad abae abar abas abat abb- abba abbb abbe abbr abbs abbt abca abcb abcc abcd abch abcr abcs abct abda abec abed abee aber abes abet abha abhr abhs abra abrc abrs abs- absa absd abse abss abta abts ac-t acaa acab acac acad acae acar acas acat acba acca accc accd acce acch accs acct acda acdb acdc acde acds acdt ace- acea acec aced aceh acer aces acet acha ache achh achr achs acht acr- acra acrc acre acrr acrs acsa acsc acsd acse acss acst acta actc acte acth acts actt adaa adab adac adad adae adah adar adas adat adba adbc adcc adcs adda addc addd adde addr adds adea adeb adee adeh ader ades adet adha adhd adhs adra adre adrs adsa adsr adss adst adta adts aeac aeas aebs aecb aect aede aedt aeer aer- aera aerc aerd aers aesc aesd aess aest aeta aetc aetr aett ahab ahac ahad ahah ahar ahas ahat ahed ahet ahha ahhs ahra ahrc ahre ahrr ahrs ahsa ahse ahss ahta ahte ahts arab arac arad arae arah arar aras arat arba arbe arbh arbs arc- arca arce