-al -er a-a a-b a-c aaa aab aac aad aae aal aam aar ab- aba abb abc abd abe abl abm abr ac- aca acb acc acd ace acl acm acr ad- ada adb adc add ade adl adm adr aea aeb aec aed aee ael aem aer al- ala alb alc ald ale all alm alr ama amb amc amd ame aml amm amr ar- ara arb arc ard are arl arm arr baa bab bac bad bae bal bam bar bba bbb bbc bbd bbe bbl bbm bbr bca bcb bcc bcd bce bcl bcm bcr bda bdb bdc bdd bde bdl bdm bdr be- bea beb bec bed bee bel bem ber bla blb blc bld ble bll blm blr bma bmb bmc bmd bme bml bmm bmr bra brb brd bre brl brm brr c-- caa cab cac cad cae cal cam car cba cbb cbc cbd cbe cbl cbm cbr cca ccb ccc ccd cce ccl ccm ccr cda cdb cdc cdd cde cdl cdm cdr ce- cea ceb cec ced cee cel cem cer cl- cla clb clc cld cle cll clm clr cma cmb cmc cmd cme cml cmm cmr cra crb crc crd cre crl crm crr daa dab dac dad dae dal dam dar dba dbb dbc dbd dbe dbl dbm dbr dca dcb dcc dcd dce dcl dcm dcr dda ddb ddc ddd dde ddl ddm ddr de- dea deb dec ded dee del dem der dl- dla dlb dlc dld dle dll dlm dlr dma dmb dmc dmd dme dml dmm dmr dra drb drc drd dre drl drm drr eaa eab eac ead eae eal eam ear eba ebb ebc ebd ebe ebl ebm ebr ec- eca ecb ecc ecd ece ecl ecm ecr ed- eda edb edc edd ede edl edm edr eea eeb eec eed eee eel eem eer ela elb elc eld ele ell elm elr em- ema emb emc emd eme eml emm emr era erb erc erd ere erl erm err la- laa lab lac lad lae lal lam lar lba lbb lbc lbd lbe lbl lbm lbr lca lcb lcc lcd lce lcl lcm lcr lda ldb ldc ldd lde ldl ldm ldr lea leb lec led lee lel lem ler lla llb llc lld lle lll llm llr lma lmb lmc lmd lme lml lmm lmr lra lrb lrc lrd lrm lrr m-r maa mab mac mad mae mal mam mar mba mbb mbc mbd mbe mbl mbm mbr mc- mca mcb mcc mcd mce mcl mcm mcr mda mdb mdc mdd mde mdl mdm mdr mea meb mec med mee mel mem mer mla mlb mlc mld mle mll mlm mlr mma mmb mmc mmd mme mml mmm mmr mra mrb mrc mrd mre mrl mrm mrr ra- raa rab rac rad rae ral ram rar rba rbb rbc rbd rbe rbl rbm rbr rca rcb rcc rcd rce rcl rcm rcr rda rdb rdc rdd rde rdl rdm rdr re- rea reb rec red ree rel rem rer rla rlc rld rle rll rlm rlr rma rmb rmc rmd rme rml rmm rmr rra rrb rrc rrd rrl rrm rrr

a-be aaaa aaab aaac aaad aaae aaal aaam aaar aaba aabb aabc aabd aabl aabm aaca aacb aacc aacd aace aacl aacm aacr aada aadc aade aaea aaec aaem aala aalc aald aale aall aama aamb aamc aamd aame aamr aara aarc aard aare aarm abaa abab abac abad abae abal abam abar abb- abba abbb abbe abbr abca abcb abcc abcd abcl abcr abda abec abed abee abel aber abla able abma abmb abmc abra abrc acaa acab acac acad acae acar acba acbl acca accc accd acce accm acda acdb acdc acde acdm ace- acea acec aced acel acem acer acla aclc acle aclr acma acmc acme acr- acra acrc acre acrm acrr adaa adab adac adad adae adal adam adar adba adbc adcc adda addc addd adde addl addr adea adeb adee adel adem ader adle adma admb adme adml admr adra adre aeac aecb aecl aede aeer aela aelc aer- aera aerc aerd alaa alac alad alae alal alam alar alb- alba albc albe albm alca alcc alce ald- alda alde aldl aldm alea alec aled alee alem aler all- alla alle alll allr alma almc alme amaa amac amad amae amal amam amar amb- amba ambe ambr amca amcc amda amec amed amee amel amer amla amm- amma amme amra amrc amrl arab arac arad arae aral aram arar arba arbe arc- arca arce arcm arda ardc arde ardl ardm area arec ared aree arel arem arla arle arma armc armd arme arml armm arr- arra arrc arre arrr baaa baad baal baam baar baba babb babe babm babr bac- baca bacc bace bada badb badd bade badr baed bael baer bala balc bald bale ball balm bama bamb bamc bame baml bamm bar- bara barb barc bard bare barm barr bbad bbbb bbcm bbdd bbeb bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcda bcde bcec bcer bcma bcra bd-r bdbc bddc bdle bdrm bead beal beam bear beba bebb bebe beca beda bede bedl beeb beed beel beem beer bela beld bele bell belm bema beme bera berc berd bere berm berr blaa blab blac blad blae blam bldc bldr blea bleb bled blee blem blme blrc bmaa bmce bmdb brab brac brad brae bram brca brcb brce brda brdm brea breb brec bred bree brel brem brer brmc brrm brrr c-cd caaa caab caac caal caam caba cabe cac- caca cacc cace cacm cacr cada cadc cadd cade cadm cadr caec caem caer cala calc cald cale call calm cama camb camc came caml camm cara carb carc card care carl carm carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcm cbcr cbdb cbdc cbea cbec cbee cber cblb cblc cbme cbrd cbre cbrl cbrm ccaa ccab ccac ccad ccam ccar ccba ccbc ccca cccb cccc cccl cccm