-er a-a a-b a-c aaa aab aac aae aaj aao aar aas ab- aba abb abc abe abj abo abr abs ac- aca acb acc ace acj aco acr acs aea aeb aec aee aej aeo aer aes aja ajb ajc aje ajj ajo ajr ajs aoa aob aoc aoe aoj aoo aor aos ar- ara arb arc are arj aro arr ars as- asa asb asc ase asj aso asr ass baa bab bac bae baj bao bar bas bba bbb bbc bbe bbo bbr bbs bca bcb bcc bce bcj bco bcr bcs be- bea beb bec bee beo ber bes bja bjc bjj bjr bjs boa bob boc boe boj boo bor bos bra brb bre brj bro brr brs bsa bsb bsc bse bsj bso bsr bss c-- c-j caa cab cac cae caj cao car cas cba cbb cbc cbe cbj cbo cbr cbs cca ccb ccc cce ccj cco ccr ccs ce- cea ceb cec cee cej ceo cer ces cja cjb cjc cjr cjs co- coa cob coc coe coj coo cor cos cra crb crc cre crj cro crr crs csa csb csc cse csj cso csr css eaa eab eac eae eaj eao ear eas eba ebb ebc ebe ebj ebo ebr ebs ec- eca ecb ecc ece ecj eco ecr ecs eea eeb eec eee eeo eer ees eja ejc ejo eo- eoa eob eoc eoe eoo eor eos era erb erc ere ero err ers es- esa esb esc ese eso esr ess jaa jab jac jae jaj jao jar jas jba jbc jbj jbo jbr jbs jca jcb jcc jce jco jcr jcs jea jeb jec jee jej jeo jer jes jja jjb jjc jjj jjr jjs joa job joc joe joj joo jor jos jra jrb jrc jro jrr jrs jsa jsb jsc jse jsj jso jsr jss oaa oab oac oae oaj oao oar oas ob- oba obb obc obe obj obo obr obs oc- oca ocb occ ocj oco ocr ocs oea oeb oec oee oeo oer oes oja ojb ojc oje ojo ojs oo- ooa oob ooc ooo oor oos or- ora orb orc ore oro orr ors os- osa osb osc ose osj oso osr oss ra- raa rab rac rae raj rao rar ras rba rbb rbc rbe rbo rbr rbs rca rcb rcc rce rcj rco rcr rcs re- rea reb rec ree reo rer res rja rjc rjr roa rob roc roe roj roo ror ros rra rrb rrc rrr rrs rsa rsb rsc rse rsj rso rsr rss saa sab sac sae saj sao sar sas sba sbb sbc sbe sbj sbo sbr sbs sca scb scc sce scj sco scr scs se- sea seb sec see sej seo ser ses sja sjb sjc sje sjj sjr sjs soa sob soc soe soj soo sor sos sr- sra srb src sre srj sro srr srs ss- ssa ssb ssc sse ssj sso ssr sss

-ase -ose a-be aaaa aaab aaac aaae aaar aaas aaba aabb aabc aaca aacb aacc aace aaco aacr aacs aaea aaec aaes aaoe aaoo aara aarc aare aaro aars aasa aasc aase aass abaa abab abac abae abaj abar abas abb- abba abbb abbe abbo abbr abbs abca abcb abcc abcr abcs abec abee aber abes abjs aboa abob aboo abor abos abra abrc abro abrs abs- absa abse abss acaa acab acac acae acar acas acba acca accc acce acco accs ace- acea acec acer aces acoa acoe acor acos acr- acra acrc acre acro acrr acrs acsa acsc acse acss aeac aeas aebs aecb aeer aer- aera aerc aero aers aesc aess ajab ajac ajao ajar ajas ajba ajee ajob ajoo ajss aoba aoca aoce aocs aora aorb aors aoss arab arac arae arar aras arba arbe arbs arc- arca arce arco arcs area arec aree areo ares arja arje arjo aroa arob aroe aroo aror aros arr- arra arrc arre arro arrr arrs ars- arsa arsc arse arso asaa asab asac asae asao asar asas asba asbo asc- asca ascb ascc asce ascj asco ascr asea asec asee aser ases asja asob asoc asor asos asra asrc asro asrs assa assc asse asso assr asss baaa baar baas baba babb babe babo babr babs bac- baca bacc bace baco bacs baer baes baja bajs baos bar- bara barb barc bare baro barr bars basa basc base baso bass bbas bbbb bbbs bbeb bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcec bcer bces bcor bcos bcra bcrs bcsa bcsc bcss bear beas beba bebb bebe bebo beca becs beeb beej beer bees beja beo- beor beos bera berc bere bero berr bers bes- besa bese beso bess bjcc bjec bjoa boab boac boar boas boba bobb bobe bobo bobs boca boce boco bocs boea boec boee boeo boer boes bojo boob booc booe boor boos bor- bora bore borj boro borr bors bosa bosc bose boso boss brab brac brae braj brao bras brca brcb brce brea breb brec bree breo brer bres brje broa brob broc broe broo bror bros brrr brrs brsb brsr bsaa bsac bsas bscs bsea bseb bsec bsee bser bses bsos bsra bssc bsse c-bo caaa caab caac caas caba cabe cabo cabs cac- caca cacc cace caco cacr caec caer caes caja caor caos cara carb carc care carj caro carr cars casa casb casc case caso casr cass cbac cbar cbbc cbbs cbca cbcc cbce cbcr cbcs cbea cbec cbee cber cbre cbrj cbsa cbsc cbse ccaa ccab ccac ccar ccas ccba ccbc ccca cccb cccc cccs ccee ccjo ccob ccoc ccra ccrc ccre ccrs ccsa ccss ceac cear ceas ceba cebs cec- ceca cece ceco cecs ceeb ceec cees ceja cejc ceor ceos cer- cera cerc cere cero cers cesa cesc cese cesr cess cjar cjbc cjca cjcb cjcj cjcs cjob cjor cjrb cjrc cjrj cjrs cjsb cjss coas coba cobb cobe cobo cobs coca coce coco coes cojo coob coos cor- cora