-er a-a a-b a-c aaa aab aac aae aah aam aar aau ab- aba abb abc abe abh abm abr abu ac- aca acb acc ace ach acm acr acu aea aeb aec aee aeh aem aer aeu aha ahb ahc ahe ahh ahm ahr ahu ama amb amc ame amh amm amr amu ar- ara arb arc are arh arm arr aru au- aua aub auc aue auh aum aur b-u baa bab bac bae bah bam bar bau bba bbb bbc bbe bbh bbm bbr bbu bca bcb bcc bce bch bcm bcr bcu be- bea beb bec bee beh bem ber beu bha bhb bhc bhe bhh bhm bhr bhu bma bmb bmc bme bmh bmm bmr bmu bra brb bre brh brm brr bru bua bub buc bue buh bum bur buu c-- caa cab cac cae cah cam car cau cba cbb cbc cbe cbh cbm cbr cbu cca ccb ccc cce cch ccm ccr ccu ce- cea ceb cec cee ceh cem cer ceu ch- cha chb chc che chh chm chr chu cma cmb cmc cme cmh cmm cmr cmu cra crb crc cre crh crm crr cru cua cub cuc cue cuh cum cur cuu eaa eab eac eae eah eam ear eau eba ebb ebc ebe ebh ebm ebr ebu ec- eca ecb ecc ece ech ecm ecr ecu eea eeb eec eee eem eer eha ehb ehc ehe ehh ehm ehr ehu em- ema emb emc eme emh emm emr emu era erb erc ere erh erm err eru eu- eua eub euc eue eur haa hab hac hae hah ham har hau hba hbb hbc hbe hbh hbm hbr hbu hca hcb hcc hce hch hcm hcr he- hea heb hec hee heh hem her heu hha hhb hhc hhe hhh hhm hhr hhu hma hmb hmc hme hmh hmm hmr hmu hr- hra hrb hrc hre hrh hrm hrr hru hua hub huc hue huh hum hur huu m-r maa mab mac mae mah mam mar mau mba mbb mbc mbe mbh mbm mbr mbu mc- mca mcb mcc mce mch mcm mcr mcu mea meb mec mee meh mem mer meu mha mhc mhh mhm mhr mhu mma mmb mmc mme mmh mmm mmr mmu mra mrb mrc mre mrh mrm mrr mru mua mub muc mue muh mum mur muu ra- raa rab rac rae rah ram rar rau rba rbb rbc rbe rbh rbm rbr rbu rca rcb rcc rce rch rcm rcr rcu re- rea reb rec ree reh rem rer reu rh- rha rhb rhc rhe rhh rhm rhr rhu rma rmb rmc rme rmh rmm rmr rra rrb rrc rrh rrm rrr rru rua rub ruc rue ruh rum rur ruu ua- uaa uab uac uae uah uam uar uau uba ubb ubc ube ubh ubr ubu uca ucb ucc uce uch ucm ucr ucu uea ueb uec uee ueh uem uer uha uhb uhc uhe uhh uhm uhr uhu um- uma umb umc ume umh umm umr umu ur- ura urb urc ure urm urr uru uua uuc uue uum uur uuu

a-be a-ha aaaa aaab aaac aaae aaah aaam aaar aaba aabb aabc aabh aabm aaca aacb aacc aace aach aacm aacr aacu aaea aaec aaem aaha aama aamb aamc aame aamr aara aarc aare aarm aaru abaa abab abac abae abam abar abau abb- abba abbb abbe abbr abca abcb abcc abch abcr abec abee aber abha abhm abhr abma abmb abmc abra abrc abua abue abum acaa acab acac acae acar acba acca accc acce acch accm accu ace- acea acec aceh acem acer acha ache achh achr achu acma acmc acme acmh acmu acr- acra acrc acre acrm acrr acu- acue acum acur aeac aecb aeer aer- aera aerc ahab ahac ahah aham ahar ahau ahem ahha ahmc ahme ahra ahrc ahre ahrr ahua ahum amaa amac amae amah amam amar amb- amba ambe ambr ambu amca amcc amec amee amer ameu amm- amma amme ammu amra amrc amua amum amur arab arac arae arah aram arar arau arba arbe arbh arc- arca arce arch arcm area arec aree areh arem areu arh- arma armc arme armh armm armu arr- arra arrc arre arrh arrr arru arua arub arue arum auaa aube auca auce auch auer auma aur- aura aure baaa baah baam baar baba babb babe babm babr babu bac- baca bacc bace bach baer baha bahr bahu bama bamb bamc bame bamm bamu bar- bara barb barc bare barh barm barr baru bau- baum baur bbau bbbb bbch bbcm bbeb bbrc bcaa bcam bcar bcbc bcca bccc bccm bcec bcer bche bcma bcra bcru bcuc beah beam bear beau beba bebb bebe beca bech becu beeb beem beer behm behr bema beme bemu bera berc bere berm berr beru beur bhar bhca bhcc bher bhra bhur bhuu bmaa bmce brab brac brae brah bram brau brca brcb brce brea breb brec bree brem brer brmc brrm brrr bruc brue bruh brum buar buba bubb bube bubu buca bucc buce buch bucu buea buem buer bueu buha buhe buhr bum- buma bumb bur- bura burb bure burh burm burr buru caaa caab caac caah caam caba cabe cabu cac- caca cacc cace cach cacm cacr caec caem caer caeu caha cahe cama camb camc came camh camm cara carb carc care carm carr cauc caum cbac cbar cbbc cbca cbcc cbce cbcm cbcr cbcu cbea cbec cbee cber cbha cbme cbre cbrh cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccm cccu ccee ccha cche cchr ccma ccmb ccmc ccmm ccra ccrc ccre ccuc ceac cear ceba cebu cec- ceca cece cecm ceeb ceec ceem cema cemb ceme cemm cemr cemu cer- cera cerc cere chaa chab chac chae chah cham char chau chca chce chch chcm chea cheb chec chee cheh chem cher cheu chha chmb chmc chra chrb chrc chrr chua chub chum chur cmaa cmac cmah cmba cmbc cmcc cmea