-er a-a a-b a-c aaa aab aac aad aae aag aah aar ab- aba abb abc abd abe abg abh abr ac- aca acb acc acd ace acg ach acr ad- ada adb adc add ade adg adh adr aea aeb aec aed aee aeg aeh aer ag- aga agb agc agd age agg agh agr aha ahb ahc ahd ahe ahg ahh ahr ar- ara arb arc ard are arg arh arr baa bab bac bad bae bag bah bar bba bbb bbc bbd bbe bbg bbh bbr bca bcb bcc bcd bce bcg bch bcr bda bdb bdc bdd bde bdg bdh bdr be- bea beb bec bed bee beg beh ber bga bgb bgc bgd bge bgg bgh bgr bha bhb bhc bhd bhe bhg bhh bhr bra brb brd bre brg brh brr c-- caa cab cac cad cae cag cah car cba cbb cbc cbd cbe cbg cbh cbr cca ccb ccc ccd cce ccg cch ccr cda cdb cdc cdd cde cdg cdh cdr ce- cea ceb cec ced cee ceg ceh cer cga cgb cgc cgd cge cgg cgh cgr ch- cha chb chc chd che chg chh chr cra crb crc crd cre crg crh crr daa dab dac dad dae dag dah dar dba dbb dbc dbd dbe dbg dbh dbr dca dcb dcc dcd dce dcg dcr dda ddb ddc ddd dde ddg ddh ddr de- dea deb dec ded dee deg deh der dga dgc dgd dge dgg dgh dgr dh- dha dhb dhc dhd dhe dhh dhr dra drb drc drd dre drg drr eaa eab eac ead eae eag eah ear eba ebb ebc ebd ebe ebg ebh ebr ec- eca ecb ecc ecd ece ecg ech ecr ed- eda edb edc edd ede edg edh edr eea eeb eec eed eee eeg eer ega egb egc egd ege egg egh egr eha ehb ehc ehd ehe ehg ehh ehr era erb erc erd ere erg erh err g-d gaa gab gac gad gae gag gah gar gba gbc gbd gbe gbg gbh gbr gca gcb gcc gcd gce gcg gch gcr gda gdb gdc gdd gde gdh gdr ge- gea geb gec ged gee geg geh ger gga ggb ggc ggd ggg ggh ggr gha ghb ghc ghd ghe ghg ghh ghr gra grb grc grd gre grg grh grr haa hab hac had hae hag hah har hba hbb hbc hbd hbe hbg hbh hbr hca hcb hcc hcd hce hcg hch hcr hda hdb hdc hdd hde hdg hdh hdr he- hea heb hec hed hee heg heh her hga hgb hgc hge hgg hgh hgr hha hhb hhc hhd hhe hhg hhh hhr hr- hra hrb hrc hrd hre hrg hrh hrr ra- raa rab rac rad rae rag rah rar rba rbb rbc rbd rbe rbg rbh rbr rca rcb rcc rcd rce rcg rch rcr rda rdb rdc rdd rde rdg rdh rdr re- rea reb rec red ree reg reh rer rga rgb rgc rgd rge rgg rgh rgr rh- rha rhb rhc rhd rhe rhg rhh rhr rra rrb rrc rrd rrg rrh rrr

a-be a-ha aaaa aaab aaac aaad aaae aaah aaar aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aacr aada aadc aade aaea aaec aage aagh aaha aara aarc aard aare abaa abab abac abad abae abag abar abb- abba abbb abbe abbr abca abcb abcc abcd abch abcr abda abec abed abee aber abgd abha abhr abra abrc acaa acab acac acad acae acag acar acba acca accc accd acce acch acda acdb acdc acde ace- acea acec aced aceh acer acga acgr acha ache achh achr acr- acra acrc acre acrr adaa adab adac adad adae adag adah adar adba adbc adcc adda addc addd adde addr adea adeb adee adeh ader adha adhd adra adre aeac aecb aede aeer aega aer- aera aerc aerd agac agad agag agar agba agca agcc agce agda agde agea aged agee ager agga agge agha aghe agra agre ahab ahac ahad ahah ahar ahed ahha ahra ahrc ahre ahrr arab arac arad arae arag arah arar arba arbe arbh arc- arca arce arch arda ardc arde area arec ared aree areg areh arga argb arge argh arh- arr- arra arrc arre arrg arrh arrr baaa baad baah baar baba babb babe babr bac- baca bacc bace bach bada badb badd bade badh badr baed baer baga bage bagg bagh baha bahr bar- bara barb barc bard bare barg barh barr bbad bbbb bbch bbdd bbeb bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcda bcde bcec bcer bchd bche bcra bd-r bdbc bddc bddh bead beag beah bear beba bebb bebe beca bech beda bede beeb beed beeg beer bega begg behr bera berc berd bere berg berr bgca bhag bhar bhca bhcc bher bhra brab brac brad brae brag brah brca brcb brce brda brea breb brec bred bree breg brer brrr c-cd caaa caab caac caah caba cabe cabg cac- caca cacc cace cach cacr cada cadc cadd cade cadr caec caer caga cage cagg cagr caha cahe cara carb carc card care carr cbac cbar cbbc cbca cbcc cbce cbcr cbdb cbdc cbea cbec cbee cber cbga cbgb cbha cbrd cbre cbrh ccaa ccab ccac ccad ccag ccar ccba ccbc ccca cccb cccc ccdc ccdh ccdr cced ccee ccga ccgc ccha cche cchr ccra ccrc ccre ccrg cd-e cd-r cdaa cdac cdad cdba cdda cddb cddr cdec cder cdre ceac cead cear ceba cec- ceca cece ceda cedd cede ceeb ceec cege cer- cera cerc cerd cere cgac cgcc cgcg cged cger chaa chab chac chad chae chag chah char chca chce chch chea cheb chec ched chee cheh cher chgb chgd chge chha chra chrb chrc chrd chrr crab crac crag crar crbc crca crcc crce crcr crda crdc cre- crea creb crec cred cree creg creh daab daad daae daag daar daba dabb daca dace dada dade daeb