-al -er -ol a-a a-b a-c aaa aab aac aae aah aal aam aao aar ab- aba abb abc abe abh abl abm abo abr ac- aca acb acc ace ach acl acm aco acr aea aeb aec aee aeh ael aem aeo aer aha ahb ahc ahe ahh ahl ahm aho ahr al- ala alb alc ale alh all alm alo alr ama amb amc ame amh aml amm amo amr aoa aob aoc aoe aoh aol aom aoo aor ar- ara arb arc are arh arl arm aro arr baa bab bac bae bah bal bam bao bar bba bbb bbc bbe bbh bbl bbm bbo bbr bca bcb bcc bce bch bcl bcm bco bcr be- bea beb bec bee beh bel bem beo ber bha bhb bhc bhe bhh bhl bhm bho bhr bla blb blc ble blh bll blm blo blr bma bmb bmc bme bmh bml bmm bmo bmr boa bob boc boe boh bol bom boo bor bra brb bre brh brl brm bro brr c-- caa cab cac cae cah cal cam cao car cba cbb cbc cbe cbh cbl cbm cbo cbr cca ccb ccc cce cch ccl ccm cco ccr ce- cea ceb cec cee ceh cel cem ceo cer ch- cha chb chc che chh chl chm cho chr cl- cla clb clc cle clh cll clm clo clr cma cmb cmc cme cmh cml cmm cmo cmr co- coa cob coc coe coh col com coo cor cra crb crc cre crh crl crm cro crr eaa eab eac eae eah eal eam eao ear eba ebb ebc ebe ebh ebl ebm ebo ebr ec- eca ecb ecc ece ech ecl ecm eco ecr eea eeb eec eee eel eem eeo eer eha ehb ehc ehe ehh ehl ehm eho ehr ela elb elc ele elh ell elm elo elr em- ema emb emc eme emh eml emm emo emr eo- eoa eob eoc eoe eoh eol eom eoo eor era erb erc ere erh erl erm ero err haa hab hac hae hah hal ham hao har hba hbb hbc hbe hbh hbl hbm hbo hbr hca hcb hcc hce hch hcl hcm hco hcr he- hea heb hec hee heh hel hem heo her hha hhb hhc hhe hhh hhl hhm hho hhr hla hlb hlc hle hlh hll hlm hlo hlr hma hmb hmc hme hmh hml hmm hmo hmr hoa hob hoc hoe hoh hol hom hoo hor hr- hra hrb hrc hre hrh hrl hrm hro hrr la- laa lab lac lae lah lal lam lao lar lba lbb lbc lbe lbh lbl lbm lbo lbr lca lcb lcc lce lch lcl lcm lco lcr lea leb lec lee leh lel lem leo ler lha lhb lhc lhh lho lhr lla llb llc lle lll llm llo llr lma lmb lmc lme lmh lml lmm lmo lmr loa lob loc loe loh lol lom loo lor lra lrb lrc lrh lrm lro lrr m-o m-r maa mab mac mae mah mal mam mao mar mba mbb mbc mbe mbh mbl mbm mbo mbr mc- mca mcb mcc mce mch mcl mcm mco mcr mea meb mec mee meh mel mem meo mer mha mhc mhh mhl mhm mho mhr mla mlb mlc mle mlh mll mlm mlo mlr mma mmb mmc mme mmh mml mmm mmo mmr moa mob moc moe moh mol mom moo mor mra mrb mrc mre mrh mrl mrm mro mrr oaa oab oac oae oah oal oam oao oar ob- oba obb obc obe obh obl obm obo obr oc- oca ocb occ och ocl ocm oco ocr oea oeb oec oee oeh oel oem oeo oer oha ohc ohe ohh ohl ohm oho ohr ola olb olc ole oll olm olo om- oma omb omc ome omh oml omm omo omr oo- ooa oob ooc ooh ool oom ooo oor or- ora orb orc ore orh orl orm oro orr ra- raa rab rac rae rah ral ram rao rar rba rbb rbc rbe rbh rbl rbm rbo rbr rca rcb rcc rce rch rcl rcm rco rcr re- rea reb rec ree reh rel rem reo rer rh- rha rhb rhc rhe rhh rhl rhm rho rhr rla rlc rle rlh rll rlm rlo rlr rma rmb rmc rme rmh rml rmm rmo rmr roa rob roc roe roh rol rom roo ror rra rrb rrc rrh rrl rrm rrr

a-be a-ha aaaa aaab aaac aaae aaah aaal aaam aaar aaba aabb aabc aabh aabl aabm aaca aacb aacc aace aach aacl aacm aaco aacr aaea aaec aaem aaha aahl aala aalc aale aall aalo aama aamb aamc aame aamo aamr aaoe aaoo aara aarc aare aarm aaro abaa abab abac abae abal abam abar abb- abba abbb abbe abbo abbr abca abcb abcc abch abcl abcr abec abee abel aber abha abhm abho abhr abla able ablo abma abmb abmc aboa abob aboh abol aboo abor abra abrc abro acaa acab acac acae acar acba acbl acca accc acce acch accm acco ace- acea acec aceh acel acem acer acha ache achh achl acho achr acla aclc acle aclr acma acmc acme acmh acoa acoe acoh acol acom acor acr- acra acrc acre acrm acro acrr aeac aecb aecl aeer aela aelc aeom aer- aera aerc aero ahab ahac ahah ahal aham ahar ahel ahem ahha ahla ahle ahlm ahmc ahme ahoa ahoe ahom ahor ahra ahrc ahre ahrr alaa alac alae alal alam alao alar alb- alba albc albe albm albo alca alcc alce alco alea alec alee aleh alem aleo aler alha all- alla alle allh alll allo allr alma almc alme almo aloa aloc aloe aloh alol alom aloo alor alro amaa amac amae amah amal amam amar amb- amba ambe ambo ambr amca amcc amco amec amee amel amer amhl amla amm- amma amme ammo amob amoc amol amoo amor amra amrc amrl amro aoah aoba aoca aoce aola aole aoma