-er a-a a-b a-c aaa aab aac aae aah aam aao aar aau ab- aba abb abc abe abh abm abo abr abu ac- aca acb acc ace ach acm aco acr acu aea aeb aec aee aeh aem aeo aer aeu aha ahb ahc ahe ahh ahm aho ahr ahu ama amb amc ame amh amm amo amr amu aoa aob aoc aoe aoh aom aoo aor aou ar- ara arb arc are arh arm aro arr aru au- aua aub auc aue auh aum auo aur b-u baa bab bac bae bah bam bao bar bau bba bbb bbc bbe bbh bbm bbo bbr bbu bca bcb bcc bce bch bcm bco bcr bcu be- bea beb bec bee beh bem beo ber beu bha bhb bhc bhe bhh bhm bho bhr bhu bma bmb bmc bme bmh bmm bmo bmr bmu boa bob boc boe boh bom boo bor bou bra brb bre brh brm bro brr bru bua bub buc bue buh bum buo bur buu c-- caa cab cac cae cah cam cao car cau cba cbb cbc cbe cbh cbm cbo cbr cbu cca ccb ccc cce cch ccm cco ccr ccu ce- cea ceb cec cee ceh cem ceo cer ceu ch- cha chb chc che chh chm cho chr chu cma cmb cmc cme cmh cmm cmo cmr cmu co- coa cob coc coe coh com coo cor cou cra crb crc cre crh crm cro crr cru cua cub cuc cue cuh cum cuo cur cuu eaa eab eac eae eah eam eao ear eau eba ebb ebc ebe ebh ebm ebo ebr ebu ec- eca ecb ecc ece ech ecm eco ecr ecu eea eeb eec eee eem eeo eer eha ehb ehc ehe ehh ehm eho ehr ehu em- ema emb emc eme emh emm emo emr emu eo- eoa eob eoc eoe eoh eom eoo eor eou era erb erc ere erh erm ero err eru eu- eua eub euc eue eur haa hab hac hae hah ham hao har hau hba hbb hbc hbe hbh hbm hbo hbr hbu hca hcb hcc hce hch hcm hco hcr he- hea heb hec hee heh hem heo her heu hha hhb hhc hhe hhh hhm hho hhr hhu hma hmb hmc hme hmh hmm hmo hmr hmu hoa hob hoc hoe hoh hom hoo hor hou hr- hra hrb hrc hre hrh hrm hro hrr hru hua hub huc hue huh hum huo hur huu m-o m-r maa mab mac mae mah mam mao mar mau mba mbb mbc mbe mbh mbm mbo mbr mbu mc- mca mcb mcc mce mch mcm mco mcr mcu mea meb mec mee meh mem meo mer meu mha mhc mhh mhm mho mhr mhu mma mmb mmc mme mmh mmm mmo mmr mmu moa mob moc moe moh mom moo mor mou mra mrb mrc mre mrh mrm mro mrr mru mua mub muc mue muh mum mur muu oaa oab oac oae oah oam oao oar oau ob- oba obb obc obe obh obm obo obr obu oc- oca ocb occ och ocm oco ocr ocu oea oeb oec oee oeh oem oeo oer oha ohc ohe ohh ohm oho ohr ohu om- oma omb omc ome omh omm omo omr omu oo- ooa oob ooc ooh oom ooo oor or- ora orb orc ore orh orm oro orr oru ou- oua ouc oue ouh oum ouo our ra- raa rab rac rae rah ram rao rar rau rba rbb rbc rbe rbh rbm rbo rbr rbu rca rcb rcc rce rch rcm rco rcr rcu re- rea reb rec ree reh rem reo rer reu rh- rha rhb rhc rhe rhh rhm rho rhr rhu rma rmb rmc rme rmh rmm rmo rmr roa rob roc roe roh rom roo ror rou rra rrb rrc rrh rrm rrr rru rua rub ruc rue ruh rum ruo rur ruu ua- uaa uab uac uae uah uam uao uar uau uba ubb ubc ube ubh ubo ubr ubu uca ucb ucc uce uch ucm uco ucr ucu uea ueb uec uee ueh uem uer uha uhb uhc uhe uhh uhm uho uhr uhu um- uma umb umc ume umh umm umo umr umu uoa uob uoc uoe uom uoo uor ur- ura urb urc ure urm uro urr uru uua uuc uue uum uur uuu

-hou a-be a-ha aaaa aaab aaac aaae aaah aaam aaar aaba aabb aabc aabh aabm aaca aacb aacc aace aach aacm aaco aacr aacu aaea aaec aaem aaha aama aamb aamc aame aamo aamr aaoe aaoo aara aarc aare aarm aaro aaru abaa abab abac abae abam abar abau abb- abba abbb abbe abbo abbr abca abcb abcc abch abcr abec abee aber abha abhm abho abhr abma abmb abmc aboa abob aboh aboo abor abou abra abrc abro abua abue abum acaa acab acac acae acar acba acca accc acce acch accm acco accu ace- acea acec aceh acem acer acha ache achh acho achr achu acma acmc acme acmh acmu acoa acoe acoh acom acor acou acr- acra acrc acre acrm acro acrr acu- acue acum acuo acur aeac aecb aeer aeom aer- aera aerc aero ahab ahac ahah aham ahar ahau ahem ahha ahmc ahme ahoa ahoe ahom ahor ahra ahrc ahre ahrr ahua ahum amaa amac amae amah amam amar amb- amba ambe ambo ambr ambu amca amcc amco amec amee amer ameu amm- amma amme ammo ammu amob amoc amoo amor amou amra amrc amro amua amum amur aoah aoba aoca aoce aoeu aoma aora aorb arab arac arae arah aram arar arau arba arbe arbh arc- arca arce arch arcm arco area arec aree areh arem areo areu arh- arma armc arme armh armm armo armu aroa arob aroe arom aroo aror arr- arra arrc arre arrh arro arrr arru arua arub arue arum auaa aube auca auce auch auer auma aur- aura aure auro baaa baah baam baar baba babb