-er a-a a-b a-c aaa aab aac aae aaf aag aah aar aas ab- aba abb abc abe abf abg abh abr abs ac- aca acb acc ace acf acg ach acr acs aea aeb aec aee aef aeg aeh aer aes af- afa afb afc afe aff afg afh afr afs ag- aga agb agc age agf agg agh agr ags aha ahb ahc ahe ahf ahg ahh ahr ahs ar- ara arb arc are arf arg arh arr ars as- asa asb asc ase asf asg ash asr ass baa bab bac bae baf bag bah bar bas bba bbb bbc bbe bbf bbg bbh bbr bbs bca bcb bcc bce bcf bcg bch bcr bcs be- bea beb bec bee bef beg beh ber bes bfa bfb bfc bfe bff bfg bfh bfr bfs bga bgb bgc bge bgf bgg bgh bgr bgs bha bhb bhc bhe bhf bhg bhh bhr bhs bra brb bre brf brg brh brr brs bsa bsb bsc bse bsf bsg bsh bsr bss c-- caa cab cac cae caf cag cah car cas cba cbb cbc cbe cbf cbg cbh cbr cbs cca ccb ccc cce ccf ccg cch ccr ccs ce- cea ceb cec cee cef ceg ceh cer ces cfa cfb cfc cfe cff cfg cfh cfr cfs cga cgb cgc cge cgg cgh cgr cgs ch- cha chb chc che chf chg chh chr chs cra crb crc cre crf crg crh crr crs csa csb csc cse csf csg csh csr css eaa eab eac eae eaf eag eah ear eas eba ebb ebc ebe ebf ebg ebh ebr ebs ec- eca ecb ecc ece ecf ecg ech ecr ecs eea eeb eec eee eef eeg eer ees ef- efa efb efc efe eff efg efh efr efs ega egb egc ege egf egg egh egr egs eha ehb ehc ehe ehf ehg ehh ehr ehs era erb erc ere erf erg erh err ers es- esa esb esc ese esf esg esh esr ess faa fab fac fae faf fag fah far fas fba fbb fbc fbe fbf fbg fbh fbr fbs fca fcb fcc fce fcf fcg fcr fcs fea feb fec fee fef feg feh fer fes ffa ffc ffe fff ffg ffh ffr ffs fga fgb fgc fge fgf fgg fgh fgr fgs fha fhb fhc fhe fhf fhg fhh fhr fhs fra frb frc fre frf frg frh frr frs fsa fsb fsc fse fsf fsg fsh fsr fss gaa gab gac gae gaf gag gah gar gas gba gbc gbe gbf gbg gbh gbr gbs gca gcb gcc gce gcf gcg gch gcr gcs ge- gea geb gec gee gef geg geh ger ges gfa gfb gfc gfe gff gfh gfr gfs gga ggb ggc ggg ggh ggr ggs gha ghb ghc ghe ghg ghh ghr ghs gra grb grc gre grf grg grh grr grs gsa gsb gsc gse gsf gsg gsr gss haa hab hac hae haf hag hah har has hba hbb hbc hbe hbf hbg hbh hbr hbs hca hcb hcc hce hcf hcg hch hcr hcs he- hea heb hec hee hef heg heh her hes hfa hfb hfc hfe hff hfg hfh hfr hfs hga hgb hgc hge hgf hgg hgh hgr hgs hha hhb hhc hhe hhf hhg hhh hhr hhs hr- hra hrb hrc hre hrf hrg hrh hrr hrs hsa hsb hsc hse hsf hsg hsh hsr hss ra- raa rab rac rae raf rag rah rar ras rba rbb rbc rbe rbf rbg rbh rbr rbs rca rcb rcc rce rcf rcg rch rcr rcs re- rea reb rec ree ref reg reh rer res rfa rfb rfc rfe rff rfg rfh rfr rfs rga rgb rgc rge rgf rgg rgh rgr rgs rh- rha rhb rhc rhe rhf rhg rhh rhr rhs rra rrb rrc rrf rrg rrh rrr rrs rsa rsb rsc rse rsf rsg rsh rsr rss saa sab sac sae saf sag sah sar sas sba sbb sbc sbe sbf sbg sbh sbr sbs sca scb scc sce scf scg sch scr scs se- sea seb sec see sef seg seh ser ses sfa sfb sfc sfe sff sfg sfh sfr sfs sga sgb sgc sge sgf sgg sgh sgr sgs sh- sha shb shc she shf shg shh shr shs sr- sra srb src sre srf srg srh srr srs ss- ssa ssb ssc sse ssf ssg ssh ssr sss

-ase a-be a-ha aaaa aaab aaac aaae aaaf aaah aaar aaas aaba aabb aabc aabh aaca aacb aacc aace aacf aach aacr aacs aaea aaec aaes aafa aafb aafc aaff aage aagh aaha aahs aara aarc aare aars aasa aasc aase aasf aass abaa abab abac abae abaf abag abar abas abb- abba abbb abbe abbr abbs abca abcb abcc abcf abch abcr abcs abec abee aber abes abff abha abhr abhs abra abrc abrs abs- absa abse absf abss acaa acab acac acae acag acar acas acba acca accc acce accf acch accs ace- acea acec aceh acer aces acfc acfe acfs acga acgr acgs acha ache achh achr achs acr- acra acrc acre acrr acrs acsa acsc acse acss aeac aeaf aeas aebs aecb aeer aega aer- aera aerc aers aesc aess afaa afar afbs afca afcb afcc afch afcs afee afer afes affa affc affs afgf afgh afhs afr- afra afrc afre afrs afsa afsb afsc agac agag agar agas agba agca agcc agce agea agee ager ages agfa agga agge agha aghe aghs agra agre agsa agsg ahab ahac ahah ahar ahas ahfa ahha ahhs ahra ahrc ahre ahrr ahrs ahsa ahse ahss arab arac arae araf arag arah arar aras arba arbe arbh arbs arc- arca arce arch arcs area arec aree aref areg areh ares arfa arfb arfc arff arfs arga argb arge argh args arh- arhs arr- arra arrc arre arrg arrh arrr arrs ars- arsa arsc arse asaa asab asac asae asaf asag asah asar asas asba asc-