-er a-a a-b a-c aaa aab aac aad aae aah aar aas ab- aba abb abc abd abe abh abr abs ac- aca acb acc acd ace ach acr acs ad- ada adb adc add ade adh adr ads aea aeb aec aed aee aeh aer aes aha ahb ahc ahd ahe ahh ahr ahs ar- ara arb arc ard are arh arr ars as- asa asb asc asd ase ash asr ass baa bab bac bad bae bah bar bas bba bbb bbc bbd bbe bbh bbr bbs bca bcb bcc bcd bce bch bcr bcs bda bdb bdc bdd bde bdh bdr bds be- bea beb bec bed bee beh ber bes bha bhb bhc bhd bhe bhh bhr bhs bra brb brd bre brh brr brs bsa bsb bsc bsd bse bsh bsr bss c-- caa cab cac cad cae cah car cas cba cbb cbc cbd cbe cbh cbr cbs cca ccb ccc ccd cce cch ccr ccs cda cdb cdc cdd cde cdh cdr cds ce- cea ceb cec ced cee ceh cer ces ch- cha chb chc chd che chh chr chs cra crb crc crd cre crh crr crs csa csb csc csd cse csh csr css daa dab dac dad dae dah dar das dba dbb dbc dbd dbe dbh dbr dbs dca dcb dcc dcd dce dcr dcs dda ddb ddc ddd dde ddh ddr dds de- dea deb dec ded dee deh der des dh- dha dhb dhc dhd dhe dhh dhr dhs dra drb drc drd dre drr drs dsa dsb dsc dsd dse dsh dsr dss eaa eab eac ead eae eah ear eas eba ebb ebc ebd ebe ebh ebr ebs ec- eca ecb ecc ecd ece ech ecr ecs ed- eda edb edc edd ede edh edr eds eea eeb eec eed eee eer ees eha ehb ehc ehd ehe ehh ehr ehs era erb erc erd ere erh err ers es- esa esb esc esd ese esh esr ess haa hab hac had hae hah har has hba hbb hbc hbd hbe hbh hbr hbs hca hcb hcc hcd hce hch hcr hcs hda hdb hdc hdd hde hdh hdr hds he- hea heb hec hed hee heh her hes hha hhb hhc hhd hhe hhh hhr hhs hr- hra hrb hrc hrd hre hrh hrr hrs hsa hsb hsc hsd hse hsh hsr hss ra- raa rab rac rad rae rah rar ras rba rbb rbc rbd rbe rbh rbr rbs rca rcb rcc rcd rce rch rcr rcs rda rdb rdc rdd rde rdh rdr rds re- rea reb rec red ree reh rer res rh- rha rhb rhc rhd rhe rhh rhr rhs rra rrb rrc rrd rrh rrr rrs rsa rsb rsc rsd rse rsh rsr rss saa sab sac sad sae sah sar sas sba sbb sbc sbd sbe sbh sbr sbs sca scb scc scd sce sch scr scs sda sdb sdc sdd sde sdh sdr sds se- sea seb sec sed see seh ser ses sh- sha shb shc shd she shh shr shs sr- sra srb src srd sre srh srr srs ss- ssa ssb ssc ssd sse ssh ssr sss

-ase a-be a-ha aaaa aaab aaac aaad aaae aaah aaar aaas aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aacr aacs aada aadc aade aads aaea aaec aaes aaha aahs aara aarc aard aare aars aasa aasc aasd aase aass abaa abab abac abad abae abar abas abb- abba abbb abbe abbr abbs abca abcb abcc abcd abch abcr abcs abda abec abed abee aber abes abha abhr abhs abra abrc abrs abs- absa absd abse abss acaa acab acac acad acae acar acas acba acca accc accd acce acch accs acda acdb acdc acde acds ace- acea acec aced aceh acer aces acha ache achh achr achs acr- acra acrc acre acrr acrs acsa acsc acsd acse acss adaa adab adac adad adae adah adar adas adba adbc adcc adcs adda addc addd adde addr adds adea adeb adee adeh ader ades adha adhd adhs adra adre adrs adsa adsr adss aeac aeas aebs aecb aede aeer aer- aera aerc aerd aers aesc aesd aess ahab ahac ahad ahah ahar ahas ahed ahha ahhs ahra ahrc ahre ahrr ahrs ahsa ahse ahss arab arac arad arae arah arar aras arba arbe arbh arbs arc- arca arce arch arcs arda ardc arde ards area arec ared aree areh ares arh- arhs arr- arra arrc arre arrh arrr arrs ars- arsa arsc arsd arse asaa asab asac asad asae asah asar asas asba asc- asca ascb ascc asce asch ascr asda asde asds asea asec asee aseh aser ases asha ashe ashs asra asrc asrs assa assc assd asse assh assr asss baaa baad baah baar baas baba babb babe babr babs bac- baca bacc bace bach bacs bada badb badd bade badh badr bads baed baer baes baha bahr bahs bar- bara barb barc bard bare barh barr bars basa basc base bash bass bbad bbas bbbb bbbs bbch bbdd bbeb bbhs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcda bcde bcds bcec bcer bces bchd bche bchs bcra bcrs bcsa bcsc bcss bd-r bdbc bddc bddh bdes bdhs bdsd bead beah bear beas beba bebb bebe beca bech becs beda bede beds beeb beed beer bees behr behs bera berc berd bere berr bers bes- besa bese besh bess bhar bhca bhcc bher bhhs bhra brab brac brad brae brah bras brca brcb brce brda brds brea breb brec bred bree brer bres brhs brrr brrs brsb brsr bsaa bsac bsas bsbd bscs bsea bseb bsec bsed bsee bser bses bshs bsra bsrd bssc bssd bsse c-cd caaa caab caac caah caas caba cabe cabs cac- caca cacc cace cach cacr cada cadc cadd cade cadr cads caec caer caes caha cahe cahs cara carb carc card care carr cars casa casb casc casd case cash casr cass cbac cbar