a-a a-b a-c aaa aab aac aah aan aar aas aau ab- aba abb abc abh abn abr abs abu ac- aca acb acc ach acn acr acs acu aha ahb ahc ahh ahn ahr ahs ahu an- ana anb anc anh ann anr ans anu ar- ara arb arc arh arn arr ars aru as- asa asb asc ash asn asr ass asu au- aua aub auc auh aun aur aus b-u baa bab bac bah ban bar bas bau bba bbb bbc bbh bbn bbr bbs bbu bca bcb bcc bch bcn bcr bcs bcu bha bhb bhc bhh bhr bhs bhu bna bnb bnc bnn bnr bns bnu bra brb brh brn brr brs bru bsa bsb bsc bsh bsn bsr bss bsu bua bub buc buh bun bur bus buu c-- caa cab cac cah can car cas cau cba cbb cbc cbh cbn cbr cbs cbu cca ccb ccc cch ccn ccr ccs ccu ch- cha chb chc chh chn chr chs chu cn- cna cnb cnc cnh cnn cnr cns cnu cra crb crc crh crn crr crs cru csa csb csc csh csn csr css csu cua cub cuc cuh cun cur cus cuu haa hab hac hah han har has hau hba hbb hbc hbh hbn hbr hbs hbu hca hcb hcc hch hcn hcr hcs hha hhb hhc hhh hhn hhr hhs hhu hna hnb hnc hnh hnn hns hnu hr- hra hrb hrc hrh hrn hrr hrs hru hsa hsb hsc hsh hsn hsr hss hsu hua hub huc huh hun hur hus huu naa nab nac nah nan nar nas nau nba nbb nbc nbn nbr nbs nbu nca ncb ncc nch ncn ncr ncs ncu nha nhb nhc nhh nhn nhr nhs nhu nna nnb nnc nnh nnn nns nnu nra nrb nrc nrn nrr nrs nru nsa nsb nsc nsh nsn nsr nss nsu nua nub nuc nuh nun nur nus nuu ra- raa rab rac rah ran rar ras rau rba rbb rbc rbh rbn rbr rbs rbu rca rcb rcc rch rcn rcr rcs rcu rh- rha rhb rhc rhh rhn rhr rhs rhu rna rnb rnc rnh rnn rnr rns rnu rra rrb rrc rrh rrn rrr rrs rru rsa rsb rsc rsh rsn rsr rss rsu rua rub ruc ruh run rur rus ruu saa sab sac sah san sar sas sau sba sbb sbc sbh sbn sbr sbs sbu sca scb scc sch scn scr scs scu sh- sha shb shc shh shn shr shs shu sna snb snc snn snr sns snu sr- sra srb src srh srn srr srs ss- ssa ssb ssc ssh ssn ssr sss ssu sua sub suc suh sun sur sus suu ua- uaa uab uac uah uan uar uas uau uba ubb ubc ubh ubn ubr ubs ubu uca ucb ucc uch ucn ucr ucs ucu uha uhb uhc uhh uhr uhs uhu un- una unb unc unh unn unr uns unu ur- ura urb urc urn urr urs uru usa usb usc ush usn usr uss usu uua uuc uun uur uus uuu

-ana a-ha a-un aaaa aaab aaac aaah aaan aaar aaas aaba aabb aabc aabh aaca aacb aacc aach aacn aacr aacs aacu aaha aahs aana aara aarc aars aaru aasa aasc aass aasu aaus abaa abab abac aban abar abas abau abb- abba abbb abbr abbs abca abcb abcc abch abcn abcr abcs abha abhr abhs abnu abra abrc abrs abs- absa abss absu abua abun abus acaa acab acac acan acar acas acba acca accc acch accs accu acha achh achr achs achu acr- acra acrc acrr acrs acsa acsc acss acu- acur acus ahab ahac ahah ahar ahas ahau ahha ahhs ahra ahrc ahrr ahrs ahsa ahss ahua ahun ahus ana- anaa anab anac anah anan anar anas anau anba anbb anbu anca ancc anha anhs anna annb anns anrc ansa ansu anua anub anun anus arab arac arah aran arar aras arau arba arbh arbs arc- arca arch arcs arh- arhs arna arns arr- arra arrc arrh arrr arrs arru ars- arsa arsc arsu arua arub arun asaa asab asac asah asan asar asas asau asba asbu asc- asca ascb ascc asch ascr asha ashs ashu asnc asra asrc asrs asru assa assc assh assn assr asss assu asub asun asur asus auaa auca auch auna aur- aura ausa aush ausu baaa baah baan baar baas baba babb babr babs babu bac- baca bacc bach bacn bacs baha bahn bahr bahs bahu bana banc banh bann banr bans banu bar- bara barb barc barh barn barr bars baru basa basc bash bass basu bau- baur bbas bbau bbbb bbbs bbch bbhs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bchs bcnu bcra bcrs bcru bcsa bcsc bcsn bcss bcuc bhan bhar bhca bhcc bhhs bhra bhur bhuu bnas bnhs bnrr bnss brab brac brah bran bras brau brca brcb brhs brna brns brrr brrs brsb brsr bruc bruh brun brus bsaa bsac bsas bscs bshs bsns bsra bssc buar buba bubb bubs bubu buca bucc buch bucs bucu buha buhr buhs buna bunb bunn buns bunu bur- bura burb burh burn burr burs buru busa busc bush buss busu buus caaa caab caac caah caan caas caba cabs cabu cac- caca cacc cach cacr caha cahn cahs cana canc canh cann cans cara carb carc carn carr cars casa casb casc cash casr cass casu cauc caus cbac cbar cbbc cbbs cbca cbcc cbcn cbcr cbcs cbcu cbha cbhs cbna cbrh cbrn cbsa cbsc cbsn cbus ccaa ccab ccac ccar ccas ccba ccbc ccbn ccca cccb cccc cccs cccu ccha cchr cchs ccna ccnb ccnc ccnr ccns ccnu ccra ccrc ccrs ccsa ccsn ccss ccuc ccus chaa chab chac chah chan char chas chau chca chch chcs chha chhs chnb chnc chnr chns chra chrb chrc chrn chrr chrs chsc chsh chsr chua chub chun chur chus cnaa cnac cnas cnbc cnhs cnna cnrc cnrr cnsa cnss