-er a-a a-b a-c aaa aab aac aad aae aah aam aar aau ab- aba abb abc abd abe abh abm abr abu ac- aca acb acc acd ace ach acm acr acu ad- ada adb adc add ade adh adm adr adu aea aeb aec aed aee aeh aem aer aeu aha ahb ahc ahd ahe ahh ahm ahr ahu ama amb amc amd ame amh amm amr amu ar- ara arb arc ard are arh arm arr aru au- aua aub auc aud aue auh aum aur b-u baa bab bac bad bae bah bam bar bau bba bbb bbc bbd bbe bbh bbm bbr bbu bca bcb bcc bcd bce bch bcm bcr bcu bda bdb bdc bdd bde bdh bdm bdr bdu be- bea beb bec bed bee beh bem ber beu bha bhb bhc bhd bhe bhh bhm bhr bhu bma bmb bmc bmd bme bmh bmm bmr bmu bra brb brd bre brh brm brr bru bua bub buc bud bue buh bum bur buu c-- caa cab cac cad cae cah cam car cau cba cbb cbc cbd cbe cbh cbm cbr cbu cca ccb ccc ccd cce cch ccm ccr ccu cda cdb cdc cdd cde cdh cdm cdr cdu ce- cea ceb cec ced cee ceh cem cer ceu ch- cha chb chc chd che chh chm chr chu cma cmb cmc cmd cme cmh cmm cmr cmu cra crb crc crd cre crh crm crr cru cua cub cuc cud cue cuh cum cur cuu daa dab dac dad dae dah dam dar dau dba dbb dbc dbd dbe dbh dbm dbr dbu dca dcb dcc dcd dce dcm dcr dcu dda ddb ddc ddd dde ddh ddm ddr ddu de- dea deb dec ded dee deh dem der deu dh- dha dhb dhc dhd dhe dhh dhm dhr dhu dma dmb dmc dmd dme dmh dmm dmr dmu dra drb drc drd dre drm drr dru dua dub duc dud due duh dum dur eaa eab eac ead eae eah eam ear eau eba ebb ebc ebd ebe ebh ebm ebr ebu ec- eca ecb ecc ecd ece ech ecm ecr ecu ed- eda edb edc edd ede edh edm edr edu eea eeb eec eed eee eem eer eha ehb ehc ehd ehe ehh ehm ehr ehu em- ema emb emc emd eme emh emm emr emu era erb erc erd ere erh erm err eru eu- eua eub euc eud eue eur haa hab hac had hae hah ham har hau hba hbb hbc hbd hbe hbh hbm hbr hbu hca hcb hcc hcd hce hch hcm hcr hda hdb hdc hdd hde hdh hdm hdr hdu he- hea heb hec hed hee heh hem her heu hha hhb hhc hhd hhe hhh hhm hhr hhu hma hmb hmc hmd hme hmh hmm hmr hmu hr- hra hrb hrc hrd hre hrh hrm hrr hru hua hub huc hud hue huh hum hur huu m-r maa mab mac mad mae mah mam mar mau mba mbb mbc mbd mbe mbh mbm mbr mbu mc- mca mcb mcc mcd mce mch mcm mcr mcu mda mdb mdc mdd mde mdh mdm mdr mdu mea meb mec med mee meh mem mer meu mha mhc mhd mhh mhm mhr mhu mma mmb mmc mmd mme mmh mmm mmr mmu mra mrb mrc mrd mre mrh mrm mrr mru mua mub muc mud mue muh mum mur muu ra- raa rab rac rad rae rah ram rar rau rba rbb rbc rbd rbe rbh rbm rbr rbu rca rcb rcc rcd rce rch rcm rcr rcu rda rdb rdc rdd rde rdh rdm rdr rdu re- rea reb rec red ree reh rem rer reu rh- rha rhb rhc rhd rhe rhh rhm rhr rhu rma rmb rmc rmd rme rmh rmm rmr rra rrb rrc rrd rrh rrm rrr rru rua rub ruc rud rue ruh rum rur ruu ua- uaa uab uac uad uae uah uam uar uau uba ubb ubc ube ubh ubr ubu uca ucb ucc ucd uce uch ucm ucr ucu uda udb udc udd ude udm udr udu uea ueb uec ued uee ueh uem uer uha uhb uhc uhd uhe uhh uhm uhr uhu um- uma umb umc umd ume umh umm umr umu ur- ura urb urc urd ure urm urr uru uua uuc uue uum uur uuu

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 aacu aada aadc aade aadu aaea aaec aaem aaha aama aamb aamc aamd aame aamr aara aarc aard aare aarm aaru abaa abab abac abad abae abam abar abau abb- abba abbb abbe abbr abca abcb abcc abcd abch abcr abda abdu abec abed abee aber abha abhm abhr abma abmb abmc abra abrc abua abud abue abum acaa acab acac acad acae acar acba acca accc accd acce acch accm accu acda acdb acdc acde acdm ace- acea acec aced aceh acem acer acha ache achh achr achu acma acmc acme acmh acmu acr- acra acrc acre acrm acrr acu- acue acum acur adaa adab adac adad adae adah adam adar adba adbc adcc adda addc addd adde addr addu adea adeb adee adeh adem ader adha adhd adhu adma admb adme admr adra adre adua adub adue adur aeac aecb aede aeer aer- aera aerc aerd ahab ahac ahad ahah aham ahar ahau ahed ahem ahha ahmc ahme ahra ahrc ahre ahrr ahua ahum amaa amac amad amae amah amam amar amb- amba ambe ambr ambu amca amcc amda amdh amec amed amee amer ameu amm- amma amme ammu amra amrc amua amud amum amur arab arac arad arae arah aram arar arau arba arbe arbh arc- arca arce arch arcm arda ardc arde ardm ardu area arec ared aree areh arem areu arh- arma armc armd arme armh armm armu arr- arra arrc arre arrh arrr arru