-er a-a a-b a-c a-t aaa aab aac aae aao aar aas aat ab- aba abb abc abe abo abr abs abt ac- aca acb acc ace aco acr acs act aea aeb aec aee aeo aer aes aet aoa aob aoc aoe aoo aor aos aot ar- ara arb arc are aro arr ars art as- asa asb asc ase aso asr ass ast at- ata atb atc ate ato atr ats att baa bab bac bae bao bar bas bat bba bbb bbc bbe bbo bbr bbs bbt bca bcb bcc bce bco bcr bcs bct be- bea beb bec bee beo ber bes bet boa bob boc boe boo bor bos bot bra brb bre bro brr brs brt bsa bsb bsc bse bso bsr bss bst bta btb btc bte bto btr bts btt c-- caa cab cac cae cao car cas cat cba cbb cbc cbe cbo cbr cbs cbt cca ccb ccc cce cco ccr ccs cct ce- cea ceb cec cee ceo cer ces cet co- coa cob coc coe coo cor cos cot cra crb crc cre cro crr crs crt csa csb csc cse cso csr css cst cta ctb ctc cte cto ctr cts ctt eaa eab eac eae eao ear eas eat eba ebb ebc ebe ebo ebr ebs ebt ec- eca ecb ecc ece eco ecr ecs ect eea eeb eec eee eeo eer ees eet eo- eoa eob eoc eoe eoo eor eos eot era erb erc ere ero err ers ert es- esa esb esc ese eso esr ess est eta etb etc ete eto etr ets ett oaa oab oac oae oao oar oas oat ob- oba obb obc obe obo obr obs obt oc- oca ocb occ oco ocr ocs oct oea oeb oec oee oeo oer oes oet oo- ooa oob ooc ooo oor oos oot or- ora orb orc ore oro orr ors ort os- osa osb osc ose oso osr oss ost ot- ota otb otc ote oto otr ots ott ra- raa rab rac rae rao rar ras rat rba rbb rbc rbe rbo rbr rbs rbt rca rcb rcc rce rco rcr rcs rct re- rea reb rec ree reo rer res ret roa rob roc roe roo ror ros rot rra rrb rrc rrr rrs rrt rsa rsb rsc rse rso rsr rss rst rta rtb rtc rte rto rtr rts rtt saa sab sac sae sao sar sas sat sba sbb sbc sbe sbo sbr sbs sbt sca scb scc sce sco scr scs sct se- sea seb sec see seo ser ses set soa sob soc soe soo sor sos sot sr- sra srb src sre sro srr srs srt ss- ssa ssb ssc sse sso ssr sss sst sta stb stc ste sto str sts stt taa tab tac tae tao tar tas tat tba tbb tbc tbe tbo tbr tbs tbt tca tcb tcc tce tco tcr tcs tct te- tea teb tec tee teo ter tes tet to- toa tob toc toe too tor tos tot tra trb trc tre tro trr trs trt tsa tsb tsc tse tso tsr tss tst tta ttb ttc tte tto ttr tts ttt

-ase -ose a-be aaaa aaab aaac aaae aaar aaas aaba aabb aabc aabt aaca aacb aacc aace aaco aacr aacs aact aaea aaec aaes aaoe aaoo aara aarc aare aaro aars aart aasa aasc aase aass aast aata aatc aatt abaa abab abac abae abar abas abat abb- abba abbb abbe abbo abbr abbs abbt abca abcb abcc abcr abcs abct abec abee aber abes abet aboa abob aboo abor abos abot abra abrc abro abrs abs- absa abse abss abta abts ac-t acaa acab acac acae acar acas acat acba acca accc acce acco accs acct ace- acea acec acer aces acet acoa acoe acor acos acot acr- acra acrc acre acro acrr acrs acsa acsc acse acss acst acta actc acte acto acts actt aeac aeas aebs aecb aect aeer aer- aera aerc aero aers aesc aess aest aeta aetc aeto aetr aett aoba aoca aoce aocs aora aorb aors aort aoss aotc arab arac arae arar aras arat arba arbe arbs arc- arca arce arco arcs arct area arec aree areo ares aret aroa arob aroe aroo aror aros arr- arra arrc arre arro arrr arrs arrt ars- arsa arsc arse arso arst arta artc arte arto artr arts asaa asab asac asae asao asar asas asat asba asbo asc- asca ascb ascc asce asco ascr asct asea asec asee aser ases aset asob asoc asor asos asot asra asrc asro asrs assa assc asse asso assr asss asst asta astb astc aste asto astr asts at-t ataa atab atac atae atar atas atat atbs atca atcc atco atcr atcs atea atec atee ateo ater ates atob atoc atoe ator atos atot atra atrc atre atro atsb atsc atse atst atta atte atto attr atts baaa baar baas baat baba babb babe babo babr babs bac- baca bacc bace baco bacs bact baer baes baos bar- bara barb barc bare baro barr bars bart basa basc base baso bass bast bata batc bate bato bats batt bbas bbbb bbbs bbeb bbet bbrc bcaa bcar bcas bcat bcbc bcbs bcca bccc bccs bcec bcer bces bcet bcor bcos bcra bcrs bcsa bcsc bcss bctc bcts bear beas beat beba bebb bebe bebo beca becs beeb beer bees beet beo- beor beos beot bera berc bere bero berr bers bert bes- besa bese beso bess best beta betc bete beto bets bett boab boac boar boas boat boba bobb bobe bobo bobs boca boce boco bocs boea boec boee boeo boer boes boet boob booc booe boor boos boot bor- bora bore boro borr bors bort bosa bosc bose boso boss bost bota botb bote boto bots bott brab brac brae brao bras brat brca brcb brce brea breb brec bree breo brer bres bret broa brob broc broe broo bror bros