-er a-a a-b a-c aaa aab aac aae aah aar aas aau ab- aba abb abc abe abh abr abs abu ac- aca acb acc ace ach acr acs acu aea aeb aec aee aeh aer aes aeu aha ahb ahc ahe ahh ahr ahs ahu ar- ara arb arc are arh arr ars aru as- asa asb asc ase ash asr ass asu au- aua aub auc aue auh aur aus b-u baa bab bac bae bah bar bas bau bba bbb bbc bbe bbh bbr bbs bbu bca bcb bcc bce bch bcr bcs bcu be- bea beb bec bee beh ber bes beu bha bhb bhc bhe bhh bhr bhs bhu bra brb bre brh brr brs bru bsa bsb bsc bse bsh bsr bss bsu bua bub buc bue buh bur bus buu c-- caa cab cac cae cah car cas cau cba cbb cbc cbe cbh cbr cbs cbu cca ccb ccc cce cch ccr ccs ccu ce- cea ceb cec cee ceh cer ces ceu ch- cha chb chc che chh chr chs chu cra crb crc cre crh crr crs cru csa csb csc cse csh csr css csu cua cub cuc cue cuh cur cus cuu eaa eab eac eae eah ear eas eau eba ebb ebc ebe ebh ebr ebs ebu ec- eca ecb ecc ece ech ecr ecs ecu eea eeb eec eee eer ees eha ehb ehc ehe ehh ehr ehs ehu era erb erc ere erh err ers eru es- esa esb esc ese esh esr ess esu eu- eua eub euc eue eur eus haa hab hac hae hah har has hau hba hbb hbc hbe hbh hbr hbs hbu hca hcb hcc hce hch hcr hcs he- hea heb hec hee heh her hes heu hha hhb hhc hhe hhh hhr hhs hhu hr- hra hrb hrc hre hrh hrr hrs hru hsa hsb hsc hse hsh hsr hss hsu hua hub huc hue huh hur hus huu ra- raa rab rac rae rah rar ras rau rba rbb rbc rbe rbh rbr rbs rbu rca rcb rcc rce rch rcr rcs rcu re- rea reb rec ree reh rer res reu rh- rha rhb rhc rhe rhh rhr rhs rhu rra rrb rrc rrh rrr rrs rru rsa rsb rsc rse rsh rsr rss rsu rua rub ruc rue ruh rur rus ruu saa sab sac sae sah sar sas sau sba sbb sbc sbe sbh sbr sbs sbu sca scb scc sce sch scr scs scu se- sea seb sec see seh ser ses seu sh- sha shb shc she shh shr shs shu sr- sra srb src sre srh srr srs ss- ssa ssb ssc sse ssh ssr sss ssu sua sub suc sue suh sur sus suu ua- uaa uab uac uae uah uar uas uau uba ubb ubc ube ubh ubr ubs ubu uca ucb ucc uce uch ucr ucs ucu uea ueb uec uee ueh uer ues uha uhb uhc uhe uhh uhr uhs uhu ur- ura urb urc ure urr urs uru usa usb usc use ush usr uss usu uua uuc uue uur uus uuu

-ase a-be a-ha aaaa aaab aaac aaae aaah aaar aaas aaba aabb aabc aabh aaca aacb aacc aace aach aacr aacs aacu aaea aaec aaes aaha aahs aara aarc aare aars aaru aasa aasc aase aass aasu aaus abaa abab abac abae abar abas abau abb- abba abbb abbe abbr abbs abca abcb abcc abch abcr abcs abec abee aber abes abha abhr abhs abra abrc abrs abs- absa abse abss absu abua abue abus acaa acab acac acae acar acas acba acca accc acce acch accs accu ace- acea acec aceh acer aces acha ache achh achr achs achu acr- acra acrc acre acrr acrs acsa acsc acse acss acu- acue acur acus aeac aeas aebs aecb aeer aer- aera aerc aers aesc aess ahab ahac ahah ahar ahas ahau ahha ahhs ahra ahrc ahre ahrr ahrs ahsa ahse ahss ahua ahus arab arac arae arah arar aras arau arba arbe arbh arbs arc- arca arce arch arcs area arec aree areh ares areu arh- arhs arr- arra arrc arre arrh arrr arrs arru ars- arsa arsc arse arsu arua arub arue asaa asab asac asae asah asar asas asau asba asbu asc- asca ascb ascc asce asch ascr asea asec asee aseh aser ases asha ashe ashs ashu asra asrc asrs asru assa assc asse assh assr asss assu asub asue asur asus auaa aube auca auce auch auer aur- aura aure ausa ause aush ausu baaa baah baar baas baba babb babe babr babs babu bac- baca bacc bace bach bacs baer baes baha bahr bahs bahu bar- bara barb barc bare barh barr bars baru basa basc base bash bass basu bau- baur bbas bbau bbbb bbbs bbch bbeb bbhs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcec bcer bces bche bchs bcra bcrs bcru bcsa bcsc bcss bcuc beah bear beas beau beba bebb bebe beca bech becs becu beeb beer bees behr behs bera berc bere berr bers beru bes- besa bese besh bess beur bhar bhca bhcc bher bhhs bhra bhur bhuu brab brac brae brah bras brau brca brcb brce brea breb brec bree brer bres brhs brrr brrs brsb brsr bruc brue bruh brus bsaa bsac bsas bscs bsea bseb bsec bsee bser bses bshs bsra bssc bsse buar buba bubb bube bubs bubu buca bucc buce buch bucs bucu buea buer bueu buha buhe buhr buhs bur- bura burb bure burh burr burs buru busa busc buse bush buss busu buus caaa caab caac caah caas caba cabe cabs cabu cac- caca cacc cace cach cacr caec caer caes caeu caha cahe cahs cara carb carc care carr cars casa casb casc case cash casr cass casu cauc caus cbac cbar cbbc cbbs cbca cbcc cbce cbcr cbcs cbcu cbea cbec cbee cber cbha cbhs cbre cbrh cbsa cbsc cbse cbus