a-a a-b aaa aab aak aan aar aas aau ab- aba abb abk abn abr abs abu aka akb akk akn akr aks aku an- ana anb ank ann anr ans anu ar- ara arb ark arn arr ars aru as- asa asb ask asn asr ass asu au- aua aub auk aun aur aus b-u baa bab bak ban bar bas bau bba bbb bbk bbn bbr bbs bbu bka bkb bkk bkn bkr bks bna bnb bnk bnn bnr bns bnu bra brb brk brn brr brs bru bsa bsb bsk bsn bsr bss bsu bua bub buk bun bur bus buu ka- kaa kab kak kan kar kas kau kba kbb kbk kbn kbr kbs kbu kkb kkk kkn kkr kks kku kn- kna knk knn knr knu kra krk krn krr krs kru ksa ksb ksk ksn ksr kss ksu kub kuk kun kur kus kuu naa nab nak nan nar nas nau nba nbb nbk nbn nbr nbs nbu nka nkk nkn nkr nks nku nna nnb nnk nnn nns nnu nra nrb nrk nrn nrr nrs nru nsa nsb nsk nsn nsr nss nsu nua nub nuk nun nur nus nuu ra- raa rab rak ran rar ras rau rba rbb rbk rbn rbr rbs rbu rkb rkk rks rku rna rnb rnn rnr rns rnu rra rrb rrk rrn rrr rrs rru rsa rsb rsk rsn rsr rss rsu rua rub ruk run rur rus ruu saa sab sak san sar sas sau sba sbb sbk sbn sbr sbs sbu sk- ska skb skk skr sks sku sna snb snk snn snr sns snu sr- sra srb srk srn srr srs ss- ssa ssb ssk ssn ssr sss ssu sua sub suk sun sur sus suu ua- uaa uab uak uan uar uas uau uba ubb ubk ubn ubr ubs ubu uka ukb ukk ukn ukr uku un- una unb unk unn unr uns unu ur- ura urb urk urn urr urs uru usa usb usk usn usr uss usu uua uun uur uus uuu

-ana a-ak a-un aaaa aaab aaan aaar aaas aaba aabb aaka aaku aana aara aars aaru aasa aass aasu aaus abaa abab abak aban abar abas abau abb- abba abbb abbr abbs abnu abra abrs abs- absa abss absu abua abuk abun abus akaa akan akar akas akka akku akna akr- akra aksa aksu akua ana- anaa anab anak anan anar anas anau anba anbb anbu ank- anka anku anna annb anns ansa ansu anua anub anun anus arab arak aran arar aras arau arba arbs arka arks arna arnk arns arr- arra arrk arrr arrs arru ars- arsa arsk arsu arua arub arun asaa asab asak asan asar asas asau asba asbu aska askr asks asra asrs asru assa assk assn assr asss assu asub asun asur asus auaa auks auna aunk aur- aura ausa ausu baaa baak baan baar baas baba babb babr babs babu bak- baka bakr baks baku bana bank bann banr bans banu bar- bara barb bark barn barr bars baru basa bask bass basu bau- bauk baur bbas bbau bbbb bbbs bnas bnrr bnss brab brak bran bras brau brka brkb brna brns brrr brrs brsb brsr brun brus bsaa bsas bsns bsra buar buba bubb bubs bubu buka bukk buku buna bunb bunk bunn buns bunu bur- bura burb burk burn burr burs buru busa busk buss busu buus kaaa kaab kaak kaan kaar kaas kaba kabb kabr kabu kaka kakk kakn kaks kaku kana kanb kann kans kanu kara karb kark karn karr kars karu kas- kasa kasb kask kasn kasr kass kasu kau- kaub kauk kaun kaur kaus kbaa kbab kbak kbar kbas kbba kbbb kbbk kbbr kbbs kbbu kbkb kbkk kbkr kbna kbnn kbnr kbnu kbra kbrb kbrk kbrn kbru kbsa kbsb kbsk kbsn kbsr kbss kbsu kbua kbub kbuk kbun kbur kbus kbuu kkaa kkan kkar kkba kkbb kkbn kkbr kkbs kkkk kknb kknn kkns kknu kkrb kkrk kkrn kkrr kkrs kksa kksn kksr kkss kksu kkua kkus kkuu knaa knab knan knar knas knau knba knbb knbn knbr knbu knkk knnb knnk knnr knns knrb knrk knrs knsa knsb knsk knsn knsr knss knsu knub knuk knur knus krab krak kran krar kras krba krbb krbk krbr krka krkk krkn krkr krks krku krna krnb krnk krnn krnu krrb krrk krrn krrr krrs krsa krsk krsn krsr krss krsu krua kruk krun krur ksab ksak ksan ksar ksas ksau ksba ksbn ksbr ksbs kska kskb kskk kskn kskr ksks ksku ksna ksnb ksnk ksnn ksnr ksns ksra ksrb ksrn ksrr ksrs kssa kssn kssr ksss kssu ksua ksub ksun ksuu kuan kuar kuau kuba kubb kubr kubs kubu kuka kukk kukn kuks kuku kuna kunk kunr kuns kunu kura kurb kurk kurr kurs kuru kusa kusb kusn kusu kuub kuuk kuur kuuu naaa naab naan naar naas naba nabk nabs nabu naka naks nan- nana nanb nann nans nanu nara nark narn narr nars naru nas- nasa nasb nask nasr nass nasu naur naus nbaa nbak nbar nbas nkau nnnn nnsa nnss nrab nras nrna nrsa nsaa nsar nskk nsna nsnr nsra nssa nssb nssr nsss nsub nuan nuba nubk nubs nuka nuku nuna nunk nunn nuns nura nurn nurr nurs nuru nuss nusu nuuk raab raak raan raas raba rabb rabk rabs rabu raka rakk raku rana rank rann rans rara rarb rark rars rasa rask rass rasu raua raub rauk raun raus rbbb rbbr rbbs rbss rkss rnas rnbr rras rrna rrrr rrun rsaa rsna rsnn rsnr rssa rsua ruan ruas ruba rubb rubs rubu ruka rukk rukn ruku runa runk runn runs rura rurs ruru rusa rusk russ rusu ruun saab saak saan saar saas saba sabb sabr sabs sabu saka sakb sakk saks saku sana sank sann sanr sans sanu sara sark sarn sarr sars saru sasa sask sass saua sauk saun saur saus sbaa sbar sbas sbbs sbrk sbsa sbus skab skan skar skn- skra skss skua skun skur snab snak