-er a-a a-b a-c aaa aab aac aae aag aah aar ab- aba abb abc abe abg abh abr ac- aca acb acc ace acg ach acr aea aeb aec aee aeg aeh aer ag- aga agb agc age agg agh agr aha ahb ahc ahe ahg ahh ahr ar- ara arb arc are arg arh arr baa bab bac bae bag bah bar bba bbb bbc bbe bbg bbh bbr bca bcb bcc bce bcg bch bcr be- bea beb bec bee beg beh ber bga bgb bgc bge bgg bgh bgr bha bhb bhc bhe bhg bhh bhr bra brb bre brg brh brr c-- caa cab cac cae cag cah car cba cbb cbc cbe cbg cbh cbr cca ccb ccc cce ccg cch ccr ce- cea ceb cec cee ceg ceh cer cga cgb cgc cge cgg cgh cgr ch- cha chb chc che chg chh chr cra crb crc cre crg crh crr eaa eab eac eae eag eah ear eba ebb ebc ebe ebg ebh ebr ec- eca ecb ecc ece ecg ech ecr eea eeb eec eee eeg eer ega egb egc ege egg egh egr eha ehb ehc ehe ehg ehh ehr era erb erc ere erg erh err gaa gab gac gae gag gah gar gba gbc gbe gbg gbh gbr gca gcb gcc gce gcg gch gcr ge- gea geb gec gee geg geh ger gga ggb ggc ggg ggh ggr gha ghb ghc ghe ghg ghh ghr gra grb grc gre grg grh grr haa hab hac hae hag hah har hba hbb hbc hbe hbg hbh hbr hca hcb hcc hce hcg hch hcr he- hea heb hec hee heg heh her hga hgb hgc hge hgg hgh hgr hha hhb hhc hhe hhg hhh hhr hr- hra hrb hrc hre hrg hrh hrr ra- raa rab rac rae rag rah rar rba rbb rbc rbe rbg rbh rbr rca rcb rcc rce rcg rch rcr re- rea reb rec ree reg reh rer rga rgb rgc rge rgg rgh rgr rh- rha rhb rhc rhe rhg rhh rhr rra rrb rrc rrg rrh rrr

a-be a-ha aaaa aaab aaac aaae aaah aaar aaba aabb aabc aabh aaca aacb aacc aace aach aacr aaea aaec aage aagh aaha aara aarc aare abaa abab abac abae abag abar abb- abba abbb abbe abbr abca abcb abcc abch abcr abec abee aber abha abhr abra abrc acaa acab acac acae acag acar acba acca accc acce acch ace- acea acec aceh acer acga acgr acha ache achh achr acr- acra acrc acre acrr aeac aecb aeer aega aer- aera aerc agac agag agar agba agca agcc agce agea agee ager agga agge agha aghe agra agre ahab ahac ahah ahar ahha ahra ahrc ahre ahrr arab arac arae arag arah arar arba arbe arbh arc- arca arce arch area arec aree areg areh arga argb arge argh arh- arr- arra arrc arre arrg arrh arrr baaa baah baar baba babb babe babr bac- baca bacc bace bach baer baga bage bagg bagh baha bahr bar- bara barb barc bare barg barh barr bbbb bbch bbeb bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcec bcer bche bcra beag beah bear beba bebb bebe beca bech beeb beeg beer bega begg behr bera berc bere berg berr bgca bhag bhar bhca bhcc bher bhra brab brac brae brag brah brca brcb brce brea breb brec bree breg brer brrr caaa caab caac caah caba cabe cabg cac- caca cacc cace cach cacr caec caer caga cage cagg cagr caha cahe cara carb carc care carr cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbga cbgb cbha cbre cbrh ccaa ccab ccac ccag ccar ccba ccbc ccca cccb cccc ccee ccga ccgc ccha cche cchr ccra ccrc ccre ccrg ceac cear ceba cec- ceca cece ceeb ceec cege cer- cera cerc cere cgac cgcc cgcg cger chaa chab chac chae chag chah char chca chce chch chea cheb chec chee cheh cher chgb chge chha chra chrb chrc chrr crab crac crag crar crbc crca crcc crce crcr cre- crea creb crec cree creg creh eaba eabh eaca eacc each eaec eaga eage eara earb eare earh ebac ebba ebbc ebbr ebcc eber ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce echa eche ecra ecrc ecrr eeca eeea eeee eega eera eerc eerg egaa egae egar egba egbe egcc egcg egcr egea egec egee eger eggb egge eggh eghe eghh egra egre ehaa ehcc ehea eheh eher ehre erba erbb erbe erca ercc erce erch ereb erec erer erg- erga ergg ergh erhc erra errc erre gaar gaba gabb gabe gabr gace gach gaea gaec gaer gaga gage gagg gaha gahe gara garb gare garg garr gbag gc-c gcaa gcbc gccc gcrg geab gear geba gebe geca gece geer gege gegg geha gera gerb gere gggg gghg ghar ghea ghee gheg grab grac grae grbr grcc grce grea greb grec gree greg grrr haab haag haar haba habe hace haec hag- haga hage hagg hagh haha hara harc hare harh harr hbag hbar hcbc hcca hccb hccc hcch hcgh heah hear hebb hebe hebr heca hech heeb heeg heer hega hege hegg hegh hehe hera herb herc here herg herr hgah hgar hggc hhaa hhgg hhhh hrac hree hrrc raab raag raba rabb rabe rac- raca racc race rach raec raeg raer raga rage ragg ragh raha rahe rahr rara rarb rare rbbb rbbr rbgh rcac rcbc rccb rccc rcga rcgc rchb rcrg rea- reac reae rear reba rebb rebe reca recc rece rech recr reeb rega rege regr reha rehb rehe rera rere rerg rgba rgbe rhae rhag rhbg rhce rhcg rhea rheb rhee rrah rrrr

-aaa- aaaah aaace aaaee aaagh aaarc aaarg aabaa aabba aabga aabra aacbc aahaa aarah aarch aargh abaab ababa ababe abaca abaer abaga abara abare abbac abbar abccc abear abeba abebe abece abeer abega abege abegg abera abere aberg aberr abgah