-er a-a a-b a-c aaa aab aac aae aah aao aar aas ab- aba abb abc abe abh abo abr abs ac- aca acb acc ace ach aco acr acs aea aeb aec aee aeh aeo aer aes aha ahb ahc ahe ahh aho ahr ahs aoa aob aoc aoe aoh aoo aor aos ar- ara arb arc are arh aro arr ars as- asa asb asc ase ash aso asr ass baa bab bac bae bah bao bar bas bba bbb bbc bbe bbh bbo bbr bbs bca bcb bcc bce bch bco bcr bcs be- bea beb bec bee beh beo ber bes bha bhb bhc bhe bhh bho bhr bhs boa bob boc boe boh boo bor bos bra brb bre brh bro brr brs bsa bsb bsc bse bsh bso bsr bss c-- caa cab cac cae cah cao car cas cba cbb cbc cbe cbh cbo cbr cbs cca ccb ccc cce cch cco ccr ccs ce- cea ceb cec cee ceh ceo cer ces ch- cha chb chc che chh cho chr chs co- coa cob coc coe coh coo cor cos cra crb crc cre crh cro crr crs csa csb csc cse csh cso csr css eaa eab eac eae eah eao ear eas eba ebb ebc ebe ebh ebo ebr ebs ec- eca ecb ecc ece ech eco ecr ecs eea eeb eec eee eeo eer ees eha ehb ehc ehe ehh eho ehr ehs eo- eoa eob eoc eoe eoh eoo eor eos era erb erc ere erh ero err ers es- esa esb esc ese esh eso esr ess haa hab hac hae hah hao har has hba hbb hbc hbe hbh hbo hbr hbs hca hcb hcc hce hch hco hcr hcs he- hea heb hec hee heh heo her hes hha hhb hhc hhe hhh hho hhr hhs hoa hob hoc hoe hoh hoo hor hos hr- hra hrb hrc hre hrh hro hrr hrs hsa hsb hsc hse hsh hsr hss oaa oab oac oae oah oao oar oas ob- oba obb obc obe obh obo obr obs oc- oca ocb occ och oco ocr ocs oea oeb oec oee oeh oeo oer oes oha ohc ohe ohh oho ohr ohs oo- ooa oob ooc ooh ooo oor oos or- ora orb orc ore orh oro orr ors os- osa osb osc ose osh oso osr oss ra- raa rab rac rae rah rao rar ras rba rbb rbc rbe rbh rbo rbr rbs rca rcb rcc rce rch rco rcr rcs re- rea reb rec ree reh reo rer res rh- rha rhb rhc rhe rhh rho rhr rhs roa rob roc roe roh roo ror ros rra rrb rrc rrh rrr rrs rsa rsb rsc rse rsh rso rsr rss saa sab sac sae sah sao sar sas sba sbb sbc sbe sbh sbo sbr sbs sca scb scc sce sch sco scr scs se- sea seb sec see seh seo ser ses sh- sha shb shc she shh sho shr shs soa sob soc soe soh soo sor sos sr- sra srb src sre srh sro srr srs ss- ssa ssb ssc sse ssh sso ssr sss

-ase -ose a-be a-ha aaaa aaab aaac aaae aaah aaar aaas aaba aabb aabc aabh aaca aacb aacc aace aach aaco aacr aacs aaea aaec aaes aaha aahs aaoe aaoo aara aarc aare aaro aars aasa aasc aase aass abaa abab abac abae abar abas abb- abba abbb abbe abbo abbr abbs abca abcb abcc abch abcr abcs abec abee aber abes abha abho abhr abhs aboa abob aboh aboo abor abos abra abrc abro abrs abs- absa abse abss acaa acab acac acae acar acas acba acca accc acce acch acco accs ace- acea acec aceh acer aces acha ache achh acho achr achs acoa acoe acoh 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 ahab ahac ahah ahar ahas ahha ahhs ahoa ahoe ahor ahra ahrc ahre ahrr ahrs ahsa ahse ahso ahss aoah aoba aoca aoce aocs aora aorb aors aoss arab arac arae arah arar aras arba arbe arbh arbs arc- arca arce arch arco arcs area arec aree areh areo ares arh- arhs aroa arob aroe aroo aror aros arr- arra arrc arre arrh arro arrr arrs ars- arsa arsc arse arso asaa asab asac asae asah asao asar asas asba asbo asc- asca ascb ascc asce asch asco ascr asea asec asee aseh aser ases asha ashe ashs asob asoc asor asos asra asrc asro asrs assa assc asse assh asso assr asss baaa baah baar baas baba babb babe babo babr babs bac- baca bacc bace bach baco bacs baer baes baha baho bahr bahs baoh baos bar- bara barb barc bare barh baro barr bars basa basc base bash baso bass bbas bbbb bbbs bbch bbeb bbhs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcec bcer bces bche bchs bcor bcos bcra bcrs bcsa bcsc bcss beah bear beas beba bebb bebe bebo beca bech becs beeb beer bees behr behs beo- beor beos bera berc bere bero berr bers bes- besa bese besh beso bess bhao bhar bhca bhcc bher bhhs bhor bhra boab boac boar boas boba bobb bobe bobo bobs boca boce boch boco bocs boea boec boee boeo boer boes boha boho bohr bohs boob booc booe booh boor boos bor- bora bore borh boro borr bors bosa bosc bose bosh boso boss brab brac brae brah brao bras brca brcb brce brea breb brec bree breo brer bres brhs broa brob broc broe broh broo bror bros brrr brrs brsb brsr bsaa bsac bsas bscs bsea bseb bsec bsee bser bses bshs bsos bsra bssc bsse c-bo caaa caab caac caah caas caba cabe cabo cabs cac- caca cacc cace cach caco cacr caec caer caes caha cahe cahs caor caos cara carb carc