-er a-a a-b a-c aaa aab aac aae aah aam aao aar ab- aba abb abc abe abh abm abo abr ac- aca acb acc ace ach acm aco acr aea aeb aec aee aeh aem aeo aer aha ahb ahc ahe ahh ahm aho ahr ama amb amc ame amh amm amo amr aoa aob aoc aoe aoh aom aoo aor ar- ara arb arc are arh arm aro arr baa bab bac bae bah bam bao bar bba bbb bbc bbe bbh bbm bbo bbr bca bcb bcc bce bch bcm bco bcr be- bea beb bec bee beh bem beo ber bha bhb bhc bhe bhh bhm bho bhr bma bmb bmc bme bmh bmm bmo bmr boa bob boc boe boh bom boo bor bra brb bre brh brm bro brr c-- caa cab cac cae cah cam cao car cba cbb cbc cbe cbh cbm cbo cbr cca ccb ccc cce cch ccm cco ccr ce- cea ceb cec cee ceh cem ceo cer ch- cha chb chc che chh chm cho chr cma cmb cmc cme cmh cmm cmo cmr co- coa cob coc coe coh com coo cor cra crb crc cre crh crm cro crr eaa eab eac eae eah eam eao ear eba ebb ebc ebe ebh ebm ebo ebr ec- eca ecb ecc ece ech ecm eco ecr eea eeb eec eee eem eeo eer eha ehb ehc ehe ehh ehm eho ehr em- ema emb emc eme emh emm emo emr eo- eoa eob eoc eoe eoh eom eoo eor era erb erc ere erh erm ero err haa hab hac hae hah ham hao har hba hbb hbc hbe hbh hbm hbo hbr hca hcb hcc hce hch hcm hco hcr he- hea heb hec hee heh hem heo her hha hhb hhc hhe hhh hhm hho hhr hma hmb hmc hme hmh hmm hmo hmr hoa hob hoc hoe hoh hom hoo hor hr- hra hrb hrc hre hrh hrm hro hrr m-o m-r maa mab mac mae mah mam mao mar mba mbb mbc mbe mbh mbm mbo mbr mc- mca mcb mcc mce mch mcm mco mcr mea meb mec mee meh mem meo mer mha mhc mhh mhm mho mhr mma mmb mmc mme mmh mmm mmo mmr moa mob moc moe moh mom moo mor mra mrb mrc mre mrh mrm mro mrr oaa oab oac oae oah oam oao oar ob- oba obb obc obe obh obm obo obr oc- oca ocb occ och ocm oco ocr oea oeb oec oee oeh oem oeo oer oha ohc ohe ohh ohm oho ohr om- oma omb omc ome omh omm omo omr oo- ooa oob ooc ooh oom ooo oor or- ora orb orc ore orh orm oro orr ra- raa rab rac rae rah ram rao rar rba rbb rbc rbe rbh rbm rbo rbr rca rcb rcc rce rch rcm rco rcr re- rea reb rec ree reh rem reo rer rh- rha rhb rhc rhe rhh rhm rho rhr rma rmb rmc rme rmh rmm rmo rmr roa rob roc roe roh rom roo ror rra rrb rrc rrh rrm rrr

a-be a-ha aaaa aaab aaac aaae aaah aaam aaar aaba aabb aabc aabh aabm aaca aacb aacc aace aach aacm aaco aacr aaea aaec aaem aaha aama aamb aamc aame aamo aamr aaoe aaoo aara aarc aare aarm aaro abaa abab abac abae abam abar 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 abra abrc abro acaa acab acac acae acar acba acca accc acce acch accm acco ace- acea acec aceh acem acer acha ache achh acho achr acma acmc acme acmh acoa acoe acoh acom acor acr- acra acrc acre acrm acro acrr aeac aecb aeer aeom aer- aera aerc aero ahab ahac ahah aham ahar ahem ahha ahmc ahme ahoa ahoe ahom ahor ahra ahrc ahre ahrr amaa amac amae amah amam amar amb- amba ambe ambo ambr amca amcc amco amec amee amer amm- amma amme ammo amob amoc amoo amor amra amrc amro aoah aoba aoca aoce aoma aora aorb arab arac arae arah aram arar arba arbe arbh arc- arca arce arch arcm arco area arec aree areh arem areo arh- arma armc arme armh armm armo aroa arob aroe arom aroo aror arr- arra arrc arre arrh arro arrr baaa baah baam baar baba babb babe babm babo babr bac- baca bacc bace bach baco baer baha baho bahr bama bamb bamc bame bamm baoh bar- bara barb barc bare barh barm baro barr bbbb bbch bbcm bbeb bbrc bcaa bcam bcar bcbc bcca bccc bccm bcec bcer bche bcma bcor bcra beah beam bear beba bebb bebe bebo beca bech beeb beem beer behm behr bema beme beo- beor bera berc bere berm bero berr bhao bhar bhca bhcc bher bhor bhra bmaa bmce bmoc boab boac boar boba bobb bobe bobo boca boce boch bocm boco boea boec boee boeo boer boha bohm boho bohr boma bomb bome boob booc booe booh boom boor bor- bora bore borh borm boro borr brab brac brae brah bram brao brca brcb brce brea breb brec bree brem breo brer brmc broa brob broc broe broh brom broo bror brrm brrr c-bo caaa caab caac caah caam caba cabe cabo cac- caca cacc cace cach cacm caco cacr caec caem caer caha cahe cama camb camc came camh camm camo caor cara carb carc care carm caro carr cbac cbar cbbc cbca cbcc cbce cbcm cbcr cbea cbec cbee cber cbha cbme cbre cbrh cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccm ccee ccha cche cchr ccma ccmb ccmc ccmm ccob ccoc ccom ccra ccrc ccre ceac cear ceba cec- ceca cece cecm ceco ceeb ceec ceem cema cemb ceme cemm cemr ceor cer- cera cerc cere cero chaa chab chac