-al -er -ol a-a a-b a-c aaa aab aac aae aal aam aao aar ab- aba abb abc abe abl abm abo abr ac- aca acb acc ace acl acm aco acr aea aeb aec aee ael aem aeo aer al- ala alb alc ale all alm alo alr ama amb amc ame aml amm amo amr aoa aob aoc aoe aol aom aoo aor ar- ara arb arc are arl arm aro arr baa bab bac bae bal bam bao bar bba bbb bbc bbe bbl bbm bbo bbr bca bcb bcc bce bcl bcm bco bcr be- bea beb bec bee bel bem beo ber bla blb blc ble bll blm blo blr bma bmb bmc bme bml bmm bmo bmr boa bob boc boe bol bom boo bor bra brb bre brl brm bro brr c-- caa cab cac cae cal cam cao car cba cbb cbc cbe cbl cbm cbo cbr cca ccb ccc cce ccl ccm cco ccr ce- cea ceb cec cee cel cem ceo cer cl- cla clb clc cle cll clm clo clr cma cmb cmc cme cml cmm cmo cmr co- coa cob coc coe col com coo cor cra crb crc cre crl crm cro crr eaa eab eac eae eal eam eao ear eba ebb ebc ebe ebl ebm ebo ebr ec- eca ecb ecc ece ecl ecm eco ecr eea eeb eec eee eel eem eeo eer ela elb elc ele ell elm elo elr em- ema emb emc eme eml emm emo emr eo- eoa eob eoc eoe eol eom eoo eor era erb erc ere erl erm ero err la- laa lab lac lae lal lam lao lar lba lbb lbc lbe lbl lbm lbo lbr lca lcb lcc lce lcl lcm lco lcr lea leb lec lee lel lem leo ler lla llb llc lle lll llm llo llr lma lmb lmc lme lml lmm lmo lmr loa lob loc loe lol lom loo lor lra lrb lrc lrm lro lrr m-o m-r maa mab mac mae mal mam mao mar mba mbb mbc mbe mbl mbm mbo mbr mc- mca mcb mcc mce mcl mcm mco mcr mea meb mec mee mel mem meo mer mla mlb mlc mle mll mlm mlo mlr mma mmb mmc mme mml mmm mmo mmr moa mob moc moe mol mom moo mor mra mrb mrc mre mrl mrm mro mrr oaa oab oac oae oal oam oao oar ob- oba obb obc obe obl obm obo obr oc- oca ocb occ ocl ocm oco ocr oea oeb oec oee oel oem oeo oer ola olb olc ole oll olm olo om- oma omb omc ome oml omm omo omr oo- ooa oob ooc ool oom ooo oor or- ora orb orc ore orl orm oro orr ra- raa rab rac rae ral ram rao rar rba rbb rbc rbe rbl rbm rbo rbr rca rcb rcc rce rcl rcm rco rcr re- rea reb rec ree rel rem reo rer rla rlc rle rll rlm rlo rlr rma rmb rmc rme rml rmm rmo rmr roa rob roc roe rol rom roo ror rra rrb rrc rrl rrm rrr

a-be aaaa aaab aaac aaae aaal aaam aaar aaba aabb aabc aabl aabm aaca aacb aacc aace aacl aacm aaco aacr aaea aaec aaem 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 abcl abcr abec abee abel aber abla able ablo abma abmb abmc aboa abob abol aboo abor abra abrc abro acaa acab acac acae acar acba acbl acca accc acce accm acco ace- acea acec acel acem acer acla aclc acle aclr acma acmc acme acoa acoe acol acom acor acr- acra acrc acre acrm acro acrr aeac aecb aecl aeer aela aelc aeom aer- aera aerc aero alaa alac alae alal alam alao alar alb- alba albc albe albm albo alca alcc alce alco alea alec alee alem aleo aler all- alla alle alll allo allr alma almc alme almo aloa aloc aloe alol alom aloo alor alro amaa amac amae amal amam amar amb- amba ambe ambo ambr amca amcc amco amec amee amel amer amla amm- amma amme ammo amob amoc amol amoo amor amra amrc amrl amro aoba aoca aoce aola aole aoma aora aorb arab arac arae aral aram arar arba arbe arc- arca arce arcm arco area arec aree arel arem areo arla arle arlo arma armc arme arml armm armo aroa arob aroe arom aroo aror arr- arra arrc arre arro arrr baaa baal baam baar baba babb babe babm babo babr bac- baca bacc bace baco bael baer bala balc bale ball balm balo bama bamb bamc bame baml bamm baol bar- bara barb barc bare barm baro barr bbbb bbcm bbeb bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcec bcer bcma bcor bcra beal beam bear beba bebb bebe bebo beca beeb beel beem beer bela bele bell belm belo bema beme beo- beor bera berc bere berm bero berr blaa blab blac blae blam blea bleb blee blem bleo blme blob bloc blom bloo blrc bmaa bmce bmoc boab boac boal boar boba bobb bobe bobo boca boce bocm boco boea boec boee boel boeo boer bola bole boll bolm bolo boma bomb bome boob booc booe bool boom boor bor- bora bore borm boro borr brab brac brae bram brao brca brcb brce brea breb brec bree brel brem breo brer brmc broa brob broc broe brol brom broo bror brrm brrr c-bo caaa caab caac caal caam caba cabe cabo cac- caca cacc cace cacm caco cacr caec caem caer cala calc cale call calm calo cama camb camc came caml camm camo caol caor cara carb carc care carl carm caro carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcm cbcr cbea cbec