-al -er -ol a-a a-b a-c aaa aab aac aae aah aal aao aar ab- aba abb abc abe abh abl abo abr ac- aca acb acc ace ach acl aco acr aea aeb aec aee aeh ael aeo aer aha ahb ahc ahe ahh ahl aho ahr al- ala alb alc ale alh all alo alr aoa aob aoc aoe aoh aol aoo aor ar- ara arb arc are arh arl aro arr baa bab bac bae bah bal bao bar bba bbb bbc bbe bbh bbl bbo bbr bca bcb bcc bce bch bcl bco bcr be- bea beb bec bee beh bel beo ber bha bhb bhc bhe bhh bhl bho bhr bla blb blc ble blh bll blo blr boa bob boc boe boh bol boo bor bra brb bre brh brl bro brr c-- caa cab cac cae cah cal cao car cba cbb cbc cbe cbh cbl cbo cbr cca ccb ccc cce cch ccl cco ccr ce- cea ceb cec cee ceh cel ceo cer ch- cha chb chc che chh chl cho chr cl- cla clb clc cle clh cll clo clr co- coa cob coc coe coh col coo cor cra crb crc cre crh crl cro crr eaa eab eac eae eah eal eao ear eba ebb ebc ebe ebh ebl ebo ebr ec- eca ecb ecc ece ech ecl eco ecr eea eeb eec eee eel eeo eer eha ehb ehc ehe ehh ehl eho ehr ela elb elc ele elh ell elo elr eo- eoa eob eoc eoe eoh eol eoo eor era erb erc ere erh erl ero err haa hab hac hae hah hal hao har hba hbb hbc hbe hbh hbl hbo hbr hca hcb hcc hce hch hcl hco hcr he- hea heb hec hee heh hel heo her hha hhb hhc hhe hhh hhl hho hhr hla hlb hlc hle hlh hll hlo hlr hoa hob hoc hoe hoh hol hoo hor hr- hra hrb hrc hre hrh hrl hro hrr la- laa lab lac lae lah lal lao lar lba lbb lbc lbe lbh lbl lbo lbr lca lcb lcc lce lch lcl lco lcr lea leb lec lee leh lel leo ler lha lhb lhc lhh lho lhr lla llb llc lle lll llo llr loa lob loc loe loh lol loo lor lra lrb lrc lrh lro lrr oaa oab oac oae oah oal oao oar ob- oba obb obc obe obh obl obo obr oc- oca ocb occ och ocl oco ocr oea oeb oec oee oeh oel oeo oer oha ohc ohe ohh ohl oho ohr ola olb olc ole oll olo oo- ooa oob ooc ooh ool ooo oor or- ora orb orc ore orh orl oro orr ra- raa rab rac rae rah ral rao rar rba rbb rbc rbe rbh rbl rbo rbr rca rcb rcc rce rch rcl rco rcr re- rea reb rec ree reh rel reo rer rh- rha rhb rhc rhe rhh rhl rho rhr rla rlc rle rlh rll rlo rlr roa rob roc roe roh rol roo ror rra rrb rrc rrh rrl rrr

a-be a-ha aaaa aaab aaac aaae aaah aaal aaar aaba aabb aabc aabh aabl aaca aacb aacc aace aach aacl aaco aacr aaea aaec aaha aahl aala aalc aale aall aalo aaoe aaoo aara aarc aare aaro abaa abab abac abae abal abar abb- abba abbb abbe abbo abbr abca abcb abcc abch abcl abcr abec abee abel aber abha abho abhr abla able ablo aboa abob aboh abol aboo abor abra abrc abro acaa acab acac acae acar acba acbl acca accc acce acch acco ace- acea acec aceh acel acer acha ache achh achl acho achr acla aclc acle aclr acoa acoe acoh acol acor acr- acra acrc acre acro acrr aeac aecb aecl aeer aela aelc aer- aera aerc aero ahab ahac ahah ahal ahar ahel ahha ahla ahle ahoa ahoe ahor ahra ahrc ahre ahrr alaa alac alae alal alao alar alb- alba albc albe albo alca alcc alce alco alea alec alee aleh aleo aler alha all- alla alle allh alll allo allr aloa aloc aloe aloh alol aloo alor alro aoah aoba aoca aoce aola aole aora aorb arab arac arae arah aral arar arba arbe arbh arc- arca arce arch arco area arec aree areh arel areo arh- arla arle arlo aroa arob aroe aroo aror arr- arra arrc arre arrh arro arrr baaa baah baal baar baba babb babe babo babr bac- baca bacc bace bach baco bael baer baha bahl baho bahr bala balc bale ball balo baoh baol bar- bara barb barc bare barh baro barr bbbb bbch bbeb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcec bcer bche bcor bcra beah beal bear beba bebb bebe bebo beca bech beeb beel beer behr bela bele bell belo beo- beor bera berc bere bero berr bhao bhar bhca bhcc bhel bher bhor bhra blaa blab blac blae blah blea bleb blee bleh bleo blob bloc bloo blrc boab boac boal boar boba bobb bobe bobo boca boce boch boco boea boec boee boel boeo boer boha bohl boho bohr bola bole boll bolo boob booc booe booh bool boor bor- bora bore borh boro borr brab brac brae brah brao brca brcb brce brea breb brec bree brel breo brer broa brob broc broe broh brol broo bror brrr c-bo caaa caab caac caah caal caba cabe cabo cac- caca cacc cace cach caco cacr caec caer caha cahe cahl cala calc cale call calo caol caor cara carb carc care carl caro carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcr cbea cbec cbee cber cbha cbhl cblb cblc cbol cbre cbrh cbrl ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl ccee ccel ccha cche cchl cchr ccla cclc ccob ccoc ccra ccrc ccre ccrl ceac ceal cear ceba cec- ceca cece ceco ceeb ceec ceel cehl cel- cela celc