a-a a-b a-c aaa aab aac aag aah aar aas aau ab- aba abb abc abg abh abr abs abu ac- aca acb acc acg ach acr acs acu ag- aga agb agc agg agh agr ags agu aha ahb ahc ahg ahh ahr ahs ahu ar- ara arb arc arg arh arr ars aru as- asa asb asc asg ash asr ass asu au- aua aub auc aug auh aur aus b-u baa bab bac bag bah bar bas bau bba bbb bbc bbg bbh bbr bbs bbu bca bcb bcc bcg bch bcr bcs bcu bga bgb bgc bgg bgh bgr bgs bgu bha bhb bhc bhg bhh bhr bhs bhu bra brb brg brh brr brs bru bsa bsb bsc bsg bsh bsr bss bsu bua bub buc bug buh bur bus buu c-- caa cab cac cag cah car cas cau cba cbb cbc cbg cbh cbr cbs cbu cca ccb ccc ccg cch ccr ccs ccu cga cgb cgc cgg cgh cgr cgs cgu ch- cha chb chc chg chh chr chs chu cra crb crc crg crh crr crs cru csa csb csc csg csh csr css csu cua cub cuc cug cuh cur cus cuu gaa gab gac gag gah gar gas gau gba gbc gbg gbh gbr gbs gbu gca gcb gcc gcg gch gcr gcs gcu gga ggb ggc ggg ggh ggr ggs ggu gha ghb ghc ghg ghh ghr ghs gra grb grc grg grh grr grs gru gsa gsb gsc gsg gsr gss gsu gu- gua gub guc gug gur gus guu haa hab hac hag hah har has hau hba hbb hbc hbg hbh hbr hbs hbu hca hcb hcc hcg hch hcr hcs hga hgb hgc hgg hgh hgr hgs hgu hha hhb hhc hhg hhh hhr hhs hhu hr- hra hrb hrc hrg hrh hrr hrs hru hsa hsb hsc hsg hsh hsr hss hsu hua hub huc hug huh hur hus huu ra- raa rab rac rag rah rar ras rau rba rbb rbc rbg rbh rbr rbs rbu rca rcb rcc rcg rch rcr rcs rcu rga rgb rgc rgg rgh rgr rgs rh- rha rhb rhc rhg rhh rhr rhs rhu rra rrb rrc rrg rrh rrr rrs rru rsa rsb rsc rsg rsh rsr rss rsu rua rub ruc rug ruh rur rus ruu saa sab sac sag sah sar sas sau sba sbb sbc sbg sbh sbr sbs sbu sca scb scc scg sch scr scs scu sga sgb sgc sgg sgh sgr sgs sgu sh- sha shb shc shg shh shr shs shu sr- sra srb src srg srh srr srs ss- ssa ssb ssc ssg ssh ssr sss ssu sua sub suc sug suh sur sus suu ua- uaa uab uac uag uah uar uas uau uba ubb ubc ubg ubh ubr ubs ubu uca ucb ucc ucg uch ucr ucs ucu uga ugb ugc ugg ugh ugr ugs ugu uha uhb uhc uhh uhr uhs uhu ur- ura urb urc urg urr urs uru usa usb usc usg ush usr uss usu uua uuc uug uur uus uuu

a-ha aaaa aaab aaac aaah aaar aaas aaba aabb aabc aabh aaca aacb aacc aach aacr aacs aacu aagh aaha aahs aara aarc aars aaru aasa aasc aass aasu aaus abaa abab abac abag abar abas abau abb- abba abbb abbr abbs abca abcb abcc abch abcr abcs abha abhr abhs abra abrc abrs abs- absa abss absu abua abug abus acaa acab acac acag acar acas acba acca accc acch accs accu acga acgr acgs acha achh achr achs achu acr- acra acrc acrr acrs acsa acsc acss acu- acur acus agac agag agar agas agau agba agca agcc agga aggu agha aghs agra agsa agsg agsu agua agur agus ahab ahac ahah ahar ahas ahau ahha ahhs ahra ahrc ahrr ahrs ahsa ahss ahua ahug ahus arab arac arag arah arar aras arau arba arbh arbs arc- arca arch arcs arga argb argh args arh- arhs arr- arra arrc arrg arrh arrr arrs arru ars- arsa arsc arsu arua arub arug asaa asab asac asag asah asar asas asau asba asbu asc- asca ascb ascc asch ascr asha ashs ashu asra asrc asrg asrs asru assa assc assh assr asss assu asub asur asus auaa auca auch auga augs aur- aura ausa aush ausu auug baaa baah baar baas baba babb babr babs babu bac- baca bacc bach bacs baga bagg bagh bags baha bahr bahs bahu bar- bara barb barc barg barh barr bars baru basa basc bash bass basu bau- baug baur bbas bbau bbbb bbbs bbch bbga bbhs bbrc bbrg bcaa bcar bcas bcbc bcbg bcbs bcca bccc bccs bcgs bchs bcra bcrs bcru bcsa bcsc bcss bcuc bgca bggs bghs bhag bhar bhca bhcc bhhs bhra bhur bhuu brab brac brag brah bras brau brca brcb brhs brrr brrs brsb brsr bruc brug bruh brus bsaa bsac bsas bscs bsgs bshs bsra bssc buar buba bubb bubs bubu buca bucc buch bucs bucu buga bugg bugh bugs buha buhr buhs bur- bura burb burg burh burr burs buru busa busc bush buss busu buus caaa caab caac caah caas caba cabg cabs cabu cac- caca cacc cach cacr caga cagg cagr cags caha cahs cara carb carc carr cars casa casb casc cash casr cass casu cauc caus cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbcu cbga cbgb cbha cbhs cbrh cbsa cbsc cbus ccaa ccab ccac ccag ccar ccas ccba ccbc ccca cccb cccc cccs cccu ccga ccgc ccgs ccha cchr cchs ccra ccrc ccrg ccrs ccsa ccsg ccss ccuc ccus cgac cgas cgcc cgcg cggs cghs cgsb cgsh cgss chaa chab chac chag chah char chas chau chca chch chcs chgb chgs chha chhs chra chrb chrc chrr chrs chsc chsh chsr chua chub chug chur chus crab crac crag crar cras crau crbc crbu crca crcc crcr crgs crhs crsa crss crub crug crus csaa csab csac csar csas cscb