-al -er -ol a-a a-b a-c aaa aab aac aad aae aal aao aar ab- aba abb abc abd abe abl abo abr ac- aca acb acc acd ace acl aco acr ad- ada adb adc add ade adl ado adr aea aeb aec aed aee ael aeo aer al- ala alb alc ald ale all alo alr aoa aob aoc aod aoe aol aoo aor ar- ara arb arc ard are arl aro arr baa bab bac bad bae bal bao bar bba bbb bbc bbd bbe bbl bbo bbr bca bcb bcc bcd bce bcl bco bcr bda bdb bdc bdd bde bdl bdo bdr be- bea beb bec bed bee bel beo ber bla blb blc bld ble bll blo blr boa bob boc bod boe bol boo bor bra brb brd bre brl bro brr c-- caa cab cac cad cae cal cao car cba cbb cbc cbd cbe cbl cbo cbr cca ccb ccc ccd cce ccl cco ccr cda cdb cdc cdd cde cdl cdo cdr ce- cea ceb cec ced cee cel ceo cer cl- cla clb clc cld cle cll clo clr co- coa cob coc cod coe col coo cor cra crb crc crd cre crl cro crr daa dab dac dad dae dal dao dar dba dbb dbc dbd dbe dbl dbo dbr dca dcb dcc dcd dce dcl dco dcr dda ddb ddc ddd dde ddl ddo ddr de- dea deb dec ded dee del deo der dl- dla dlb dlc dld dle dll dlo dlr doa dob doc dod doe dol doo dor dra drb drc drd dre drl dro drr eaa eab eac ead eae eal eao ear eba ebb ebc ebd ebe ebl ebo ebr ec- eca ecb ecc ecd ece ecl eco ecr ed- eda edb edc edd ede edl edo edr eea eeb eec eed eee eel eeo eer ela elb elc eld ele ell elo elr eo- eoa eob eoc eod eoe eol eoo eor era erb erc erd ere erl ero err la- laa lab lac lad lae lal lao lar lba lbb lbc lbd lbe lbl lbo lbr lca lcb lcc lcd lce lcl lco lcr lda ldb ldc ldd lde ldl ldo ldr lea leb lec led lee lel leo ler lla llb llc lld lle lll llo llr loa lob loc lod loe lol loo lor lra lrb lrc lrd lro lrr oaa oab oac oad oae oal oao oar ob- oba obb obc obd obe obl obo obr oc- oca ocb occ ocd ocl oco ocr oda odb odc odd ode odl odo odr oea oeb oec oed oee oel oeo oer ola olb olc old ole oll olo oo- ooa oob ooc ood ool ooo oor or- ora orb orc ord ore orl oro orr ra- raa rab rac rad rae ral rao rar rba rbb rbc rbd rbe rbl rbo rbr rca rcb rcc rcd rce rcl rco rcr rda rdb rdc rdd rde rdl rdo rdr re- rea reb rec red ree rel reo rer rla rlc rld rle rll rlo rlr roa rob roc rod roe rol roo ror rra rrb rrc rrd rrl rrr

a-be a-do aaaa aaab aaac aaad aaae aaal aaar aaba aabb aabc aabd aabl aaca aacb aacc aacd aace aacl aaco aacr aada aadc aade aaea aaec aala aalc aald aale aall aalo aaoe aaoo aara aarc aard aare aaro abaa abab abac abad abae abal abar abb- abba abbb abbe abbo abbr abca abcb abcc abcd abcl abcr abda abdo abec abed abee abel aber abla able ablo aboa abob abod abol aboo abor abra abrc abro acaa acab acac acad acae acar acba acbl acca accc accd acce acco acda acdb acdc acde ace- acea acec aced acel acer acla aclc acle aclr acoa acod acoe acol acor acr- acra acrc acre acro acrr adaa adab adac adad adae adal adao adar adba adbc adcc adda addc addd adde addl addo addr adea adeb adee adel adeo ader adle adob adoc adod adoe adoo ador adra adre adro aeac aecb aecl aede aeer aela aelc aer- aera aerc aerd aero alaa alac alad alae alal alao alar alb- alba albc albe albo alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee aleo aler all- alla alle alll allo allr aloa aloc alod aloe alol aloo alor alro aoba aoca aoce aola aole aora aorb arab arac arad arae aral arar arba arbe arc- arca arce arco arda ardc arde ardl ardo area arec ared aree arel areo arla arle arlo aroa arob arod aroe aroo aror arr- arra arrc arre arro arrr baaa baad baal baar baba babb babe babo babr bac- baca bacc bace baco bada badb badd bade bado badr baed bael baer bala balc bald bale ball balo baol bar- bara barb barc bard bare baro barr bbad bbbb bbdd bbdo bbeb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcda bcde bcec bcer bcor bcra bd-r bdbc bddc bdle bead beal bear beba bebb bebe bebo beca beda bede bedl bedo beeb beed beel beer bela beld bele bell belo beo- beod beor bera berc berd bere bero berr blaa blab blac blad blae bldc bldr blea bleb bled blee bleo blob bloc blod bloo blrc boab boac boad boal boar boba bobb bobe bobo boca boce boco boda bodb bode bodo boea boec boee boel boeo boer bola bold bole boll bolo boob booc bood booe bool boor bor- bora bord bore boro borr brab brac brad brae brao brca brcb brce brda brdo brea breb brec bred bree brel breo brer broa brob broc brod broe brol broo bror brrr c-bo c-cd caaa caab caac caal caba cabe cabo cac- caca cacc cace caco cacr cada cadc cadd cade cado cadr caec caer cala calc cald cale call calo caod caol caor cara carb carc card care carl caro carr cbac cbal cbar cbbc cbca cbcc cbce