a-a a-b aaa aab aaf aag aah aak aar aas ab- aba abb abf abg abh abk abr abs af- afa afb aff afg afh afk afr afs ag- aga agb agf agg agh agk agr ags aha ahb ahf ahg ahh ahk ahr ahs aka akb akg akh akk akr aks ar- ara arb arf arg arh ark arr ars as- asa asb asf asg ash ask asr ass baa bab baf bag bah bak bar bas bba bbb bbf bbg bbh bbk bbr bbs bfa bfb bff bfg bfh bfr bfs bga bgb bgf bgg bgh bgk bgr bgs bha bhb bhf bhg bhh bhk bhr bhs bka bkb bkf bkg bkk bkr bks bra brb brf brg brh brk brr brs bsa bsb bsf bsg bsh bsk bsr bss faa fab faf fag fah fak far fas fba fbb fbf fbg fbh fbk fbr fbs ffa fff ffg ffh ffk ffr ffs fga fgb fgf fgg fgh fgr fgs fha fhb fhf fhg fhh fhr fhs fka fkb fkf fkg fkk fra frb frf frg frh frk frr frs fsa fsb fsf fsg fsh fsk fsr fss gaa gab gaf gag gah gak gar gas gba gbf gbg gbh gbk gbr gbs gfa gfb gff gfh gfk gfr gfs gga ggb ggg ggh ggr ggs gha ghb ghg ghh ghr ghs gka gkb gkh gks gra grb grf grg grh grk grr grs gsa gsb gsf gsg gsk gsr gss haa hab haf hag hah hak har has hba hbb hbf hbg hbh hbk hbr hbs hfa hfb hff hfg hfh hfk hfr hfs hga hgb hgf hgg hgh hgk hgr hgs hha hhb hhf hhg hhh hhk hhr hhs hka hkb hkf hkg hkh hkk hkr hks hr- hra hrb hrf hrg hrh hrk hrr hrs hsa hsb hsf hsg hsh hsk hsr hss ka- kaa kab kaf kag kah kak kar kas kba kbb kbf kbh kbk kbr kbs kfa kff kfg kfh kfs kga kgb kgf kgh kgs kha khf khh khk khr khs kkb kkh kkk kkr kks kra krf krg krk krr krs ksa ksb ksf ksg ksh ksk ksr kss ra- raa rab raf rag rah rak rar ras rba rbb rbf rbg rbh rbk rbr rbs rfa rfb rff rfg rfh rfk rfr rfs rga rgb rgf rgg rgh rgk rgr rgs rh- rha rhb rhf rhg rhh rhr rhs rkb rkf rkg rkk rks rra rrb rrf rrg rrh rrk rrr rrs rsa rsb rsf rsg rsh rsk rsr rss saa sab saf sag sah sak sar sas sba sbb sbf sbg sbh sbk sbr sbs sfa sfb sff sfg sfh sfk sfr sfs sga sgb sgf sgg sgh sgk sgr sgs sh- sha shb shf shg shh shk shr shs sk- ska skb skf skg skh skk skr sks sr- sra srb srf srg srh srk srr srs ss- ssa ssb ssf ssg ssh ssk ssr sss

a-ak a-ha aaaa aaab aaaf aaah aaar aaas aaba aabb aabh aafa aafb aaff aagh aaha aahk aahs aaka aara aars aasa aasf aass abaa abab abaf abag abak abar abas abb- abba abbb abbr abbs abff abha abhr abhs abra abrs abs- absa absf abss afaa afak afar afbs affa affs afgf afgh afhs afka afkr afr- afra afrs afsa afsb agag agar agas agba agfa agga agha aghs agra agsa agsg ahab ahah ahar ahas ahfa ahha ahhs ahra ahrr ahrs ahsa ahss akaa akah akar akas akha akhs akka akr- akra aksa arab araf arag arah arak arar aras arba arbh arbs arfa arfb arff arfs arga argb argh args arh- arhs arka arkh arks arr- arra arrg arrh arrk arrr arrs ars- arsa arsk asaa asab asaf asag asah asak asar asas asba asfa asha ashk ashs aska askr asks asra asrg asrs assa assh assk assr asss baaa baaf baah baak baar baas baba babb babr babs baff baga bagg bagh bags baha bahr bahs bak- baka bakh bakr baks bar- bara barb barf barg barh bark barr bars basa basf bash bask bass bbas bbbb bbbs bbga bbhs bbrg bfas bffs bfgf bfhs bfsr bggs bghs bhag bhar bhff bhhs bhra bhsf bkhs brab braf brag brah brak bras brhs brka brkb brrr brrs brsb brsr bsaa bsas bsfa bsff bsfs bsgs bshs bsra f--k faaa faah faas faba fabs fafa faff fafg fagg fags faha fahr fahs fakh fara farb farg fark farr fars fasa fash fass fbar fbhs fbrs ffar ffff ffhs ffrr ffsa ffss fhas fhfs fhhs fhrs fhss fkab frab frag frak fras frhs frsb fsas fsgs fshb fshs fsra fssa fssf gaar gaas gaba gabb gabr gabs gafa gafb gaff gaga gagg gags gaha gahs gara garb garf garg garr gars gasa gasb gash gask gasr gass gbag gbas gbbs gbhs gffa gfha gfhs ggfg gggg gghg ggss ghar ghfs ghhs ghrf ghsa gkhs grab graf gras grbr grfa grhs grrr grrs grss gsab gshs gskb haab haaf haag haak haar haas haba habs hafb haff hafs hag- haga hagg hagh hags haha hahs haka hakk haks hara harf harh hark harr hars hasa hash hask hass hbag hbar hbbs hbhs hbrs hbss hfba hfhs hfrs hfss hgah hgar hghs hhaa hhgg hhhh hhhs hkfa hras hrhs hsas hsfs hshs kaaa kaab kaaf kaag kaak kaar kaas kaba kabb kabf kabg kabr kafa kaff kafr kafs kag- kaga kagb kagg kagh kagr kags kaha kahr kahs kaka kakh kakk kaks kara karb karf karg kark karr kars kas- kasa kasb kasf kash kask kasr kass kbaa kbab kbak kbar kbas kbba kbbb kbbf kbbg kbbk kbbr kbbs kbfb kbff kbfk kbfr kbfs kbga kbgb kbgg kbgh kbgr kbhb kbhh kbhr kbhs kbkb kbkf kbkg kbkk kbkr kbra kbrb kbrf kbrg kbrh kbrk kbsa kbsb kbsg kbsk kbsr kbss kfab kfar kfbk kffa kffb kfff kffg kffk kfgr kfka kfkb kfra kfrg kfrh kfrr kfrs kfsa kfsg kfsh kfsk kfsr kgab kgaf kgak kgas kgba kgbb kgbr kgfa kgff kgfk kgga