-er a-a a-b a-c aaa aab aac aad aae aah aam aar ab- aba abb abc abd abe abh abm abr ac- aca acb acc acd ace ach acm acr ad- ada adb adc add ade adh adm adr aea aeb aec aed aee aeh aem aer aha ahb ahc ahd ahe ahh ahm ahr ama amb amc amd ame amh amm amr ar- ara arb arc ard are arh arm arr baa bab bac bad bae bah bam bar bba bbb bbc bbd bbe bbh bbm bbr bca bcb bcc bcd bce bch bcm bcr bda bdb bdc bdd bde bdh bdm bdr be- bea beb bec bed bee beh bem ber bha bhb bhc bhd bhe bhh bhm bhr bma bmb bmc bmd bme bmh bmm bmr bra brb brd bre brh brm brr c-- caa cab cac cad cae cah cam car cba cbb cbc cbd cbe cbh cbm cbr cca ccb ccc ccd cce cch ccm ccr cda cdb cdc cdd cde cdh cdm cdr ce- cea ceb cec ced cee ceh cem cer ch- cha chb chc chd che chh chm chr cma cmb cmc cmd cme cmh cmm cmr cra crb crc crd cre crh crm crr daa dab dac dad dae dah dam dar dba dbb dbc dbd dbe dbh dbm dbr dca dcb dcc dcd dce dcm dcr dda ddb ddc ddd dde ddh ddm ddr de- dea deb dec ded dee deh dem der dh- dha dhb dhc dhd dhe dhh dhm dhr dma dmb dmc dmd dme dmh dmm dmr dra drb drc drd dre drm drr eaa eab eac ead eae eah eam ear eba ebb ebc ebd ebe ebh ebm ebr ec- eca ecb ecc ecd ece ech ecm ecr ed- eda edb edc edd ede edh edm edr eea eeb eec eed eee eem eer eha ehb ehc ehd ehe ehh ehm ehr em- ema emb emc emd eme emh emm emr era erb erc erd ere erh erm err haa hab hac had hae hah ham har hba hbb hbc hbd hbe hbh hbm hbr hca hcb hcc hcd hce hch hcm hcr hda hdb hdc hdd hde hdh hdm hdr he- hea heb hec hed hee heh hem her hha hhb hhc hhd hhe hhh hhm hhr hma hmb hmc hmd hme hmh hmm hmr hr- hra hrb hrc hrd hre hrh hrm hrr m-r maa mab mac mad mae mah mam mar mba mbb mbc mbd mbe mbh mbm mbr mc- mca mcb mcc mcd mce mch mcm mcr mda mdb mdc mdd mde mdh mdm mdr mea meb mec med mee meh mem mer mha mhc mhd mhh mhm mhr mma mmb mmc mmd mme mmh mmm mmr mra mrb mrc mrd mre mrh mrm mrr ra- raa rab rac rad rae rah ram rar rba rbb rbc rbd rbe rbh rbm rbr rca rcb rcc rcd rce rch rcm rcr rda rdb rdc rdd rde rdh rdm rdr re- rea reb rec red ree reh rem rer rh- rha rhb rhc rhd rhe rhh rhm rhr rma rmb rmc rmd rme rmh rmm rmr rra rrb rrc rrd rrh rrm rrr

a-be a-ha aaaa aaab aaac aaad aaae aaah aaam aaar aaba aabb aabc aabd aabh aabm aaca aacb aacc aacd aace aach aacm aacr aada aadc aade aaea aaec aaem aaha aama aamb aamc aamd aame aamr aara aarc aard aare aarm abaa abab abac abad abae abam abar abb- abba abbb abbe abbr abca abcb abcc abcd abch abcr abda abec abed abee aber abha abhm abhr abma abmb abmc abra abrc acaa acab acac acad acae acar acba acca accc accd acce acch accm acda acdb acdc acde acdm ace- acea acec aced aceh acem acer acha ache achh achr acma acmc acme acmh acr- acra acrc acre acrm acrr adaa adab adac adad adae adah adam adar adba adbc adcc adda addc addd adde addr adea adeb adee adeh adem ader adha adhd adma admb adme admr adra adre aeac aecb aede aeer aer- aera aerc aerd ahab ahac ahad ahah aham ahar ahed ahem ahha ahmc ahme ahra ahrc ahre ahrr amaa amac amad amae amah amam amar amb- amba ambe ambr amca amcc amda amdh amec amed amee amer amm- amma amme amra amrc arab arac arad arae arah aram arar arba arbe arbh arc- arca arce arch arcm arda ardc arde ardm area arec ared aree areh arem arh- arma armc armd arme armh armm arr- arra arrc arre arrh arrr baaa baad baah baam baar baba babb babe babm babr bac- baca bacc bace bach bada badb badd bade badh badr baed baer baha bahr bama bamb bamc bame bamm bar- bara barb barc bard bare barh barm barr bbad bbbb bbch bbcm bbdd bbeb bbrc bcaa bcam bcar bcbc bcca bccc bccm bcda bcde bcec bcer bchd bche bcma bcra bd-r bdbc bddc bddh bdrm bead beah beam bear beba bebb bebe beca bech beda bede beeb beed beem beer behm behr bema beme bera berc berd bere berm berr bhar bhca bhcc bher bhra bmaa bmce bmdb brab brac brad brae brah bram brca brcb brce brda brdm brea breb brec bred bree brem brer brmc brrm brrr c-cd caaa caab caac caah caam caba cabe cac- caca cacc cace cach cacm cacr cada cadc cadd cade cadm cadr caec caem caer caha cahe cama camb camc came camh camm cara carb carc card care carm carr cbac cbar cbbc cbca cbcc cbce cbcm cbcr cbdb cbdc cbea cbec cbee cber cbha cbme cbrd cbre cbrh cbrm ccaa ccab ccac ccad ccam ccar ccba ccbc ccca cccb cccc cccm ccdc ccdh ccdm ccdr cced ccee ccha cche cchr ccma ccmb ccmc ccmd ccmm ccra ccrc ccre cd-e cd-r cdaa cdac cdad cdba cdda cddb cddr cdec cder cdma cdre ceac cead cear ceba cec- ceca cece cecm ceda cedd cede ceeb ceec ceem cema cemb ceme cemm cemr cer- cera cerc cerd