a-a a-b aaa aab aan aar aas aau ab- aba abb abn abr abs abu an- ana anb ann anr ans anu ar- ara arb arn arr ars aru as- asa asb asn asr ass asu au- aua aub aun aur aus b-u baa bab ban bar bas bau bba bbb bbn bbr bbs bbu bna bnb bnn bnr bns bnu bra brb brn brr brs bru bsa bsb bsn bsr bss bsu bua bub bun bur bus buu naa nab nan nar nas nau nba nbb nbn nbr nbs nbu nna nnb nnn nns nnu nra nrb nrn nrr nrs nru nsa nsb nsn nsr nss nsu nua nub nun nur nus nuu ra- raa rab ran rar ras rau rba rbb rbn rbr rbs rbu rna rnb rnn rnr rns rnu rra rrb rrn rrr rrs rru rsa rsb rsn rsr rss rsu rua rub run rur rus ruu saa sab san sar sas sau sba sbb sbn sbr sbs sbu sna snb snn snr sns snu sr- sra srb srn srr srs ss- ssa ssb ssn ssr sss ssu sua sub sun sur sus suu ua- uaa uab uan uar uas uau uba ubb ubn ubr ubs ubu un- una unb unn unr uns unu ur- ura urb urn urr urs uru usa usb usn usr uss usu uua uun uur uus uuu

-ana a-un aaaa aaab aaan aaar aaas aaba aabb aana aara aars aaru aasa aass aasu aaus abaa abab aban abar abas abau abb- abba abbb abbr abbs abnu abra abrs abs- absa abss absu abua abun abus ana- anaa anab anan anar anas anau anba anbb anbu anna annb anns ansa ansu anua anub anun anus arab aran arar aras arau arba arbs arna arns arr- arra arrr arrs arru ars- arsa arsu arua arub arun asaa asab asan asar asas asau asba asbu asra asrs asru assa assn assr asss assu asub asun asur asus auaa auna aur- aura ausa ausu baaa baan baar baas baba babb babr babs babu bana bann banr bans banu bar- bara barb barn barr bars baru basa bass basu bau- baur bbas bbau bbbb bbbs bnas bnrr bnss brab bran bras brau brna brns brrr brrs brsb brsr brun brus bsaa bsas bsns bsra buar buba bubb bubs bubu buna bunb bunn buns bunu bur- bura burb burn burr burs buru busa buss busu buus naaa naab naan naar naas naba nabs nabu nan- nana nanb nann nans nanu nara narn narr nars naru nas- nasa nasb nasr nass nasu naur naus nbaa nbar nbas nnnn nnsa nnss nrab nras nrna nrsa nsaa nsar nsna nsnr nsra nssa nssb nssr nsss nsub nuan nuba nubs nuna nunn nuns nura nurn nurr nurs nuru nuss nusu raab raan raas raba rabb rabs rabu rana rann rans rara rarb rars rasa rass rasu raua raub raun raus rbbb rbbr rbbs rbss rnas rnbr rras rrna rrrr rrun rsaa rsna rsnn rsnr rssa rsua ruan ruas ruba rubb rubs rubu runa runn runs rura rurs ruru rusa russ rusu ruun saab saan saar saas saba sabb sabr sabs sabu sana sann sanr sans sanu sara sarn sarr sars saru sasa sass saua saun saur saus sbaa sbar sbas sbbs sbsa sbus snab snar snas snba snns snra snrs snub snur snus sras srna srnn srub ssaa ssab ssan ssas ssau ssbn ssbr ssns ssra ssrs sssa sssb ssss suan suar suas sub- suba subb subs sun- suna sunb sunn suns sunu sur- sura surn surr surs suru sus- susa suss susu suus uars uaru uasa uaua ubar ubba ubra unaa unan unar unas unau unna unns unra unrs uns- unsa unus uran uras urau urba urbs urna urns urra ursa urss ursu urun urur urus us-a usaa usan usar usas usba usbr usbs usna usnr usnu usra ussa ussb ussr usss ussu usua usun usus uuuu

-aaa- a-sun aaaas aaasa aaass aabaa aabba aabra aarau aarna aasra abaab ababa ababs ababu abana abann abara abarn abaru abasa abass abban abbar abbas abbrs abbur abnub abran abrar abras abrun abrus absar abuna abura aburn aburr anaba anana anara anaru anasa anass anaua anaun anban anbar annan annar annas annua annur annus anras ansan ansar ansun anura ar-ab arab- araba arabs arana arans arara arars araru arass arasu arbab arbar arbas arbus arnan arnar arnas arnus arran arras arrau arrua arsan arsun aruaa aruba aruna arura aruru arus- arusa asaba asana asanu asara asasa asbru asnan asnas asrar assab assan assas assns assur asubs asuna asura auass aubas aubun aunus aurar auras aurra ausar ausra aussa baarn baars baban babar babas babau babbs babns babra babur babus banan banar banas banau banba banna banns bannu bansa banur banus baraa barab baran barar baras barba barbs barbu barna barns barra barrs barru barsa barss barua barun barus basab basan basar basna basra bassa bassu baura bauru bbuss braas brana brann brans brasa brass braun brrar brrrr bruan bruna brunn bruns brusa bruss bruun bsaba bubas bubba bunab bunan bunar bunau bunna bunun bunus buraa buran buras burbs burn- burna burns burra burrs burru bursa burun burus busaa busan busra bussa bussu busua busur busuu n-sub naans naban nabar nabas nabau nabba nabua nabur nanan nanas nanbu nann- nanna nanur nanus naran naras narau narra narun narur narus nasaa nasan nasar nasba nasru nassa nassr nasua nasus naura nauru nrnas nsaba nsasa nu-nu nuabu nuans nuars nubar nubas nubra nubus nunan nunna nunns nunun nurar nurra nursu nurun nurus nusus ra-ra raaba raasa rabab raban rabas rabba rabun ranas ranau ranna ranns rannu ranua rarus rasan rasar rasas rasau rasna rasra rassa rasun rauna rauns rausu rrnas ruana rubab ruban rubba rubra rubus runan runas runsa ruran rusan rusar rusas rusna russa ruusa s-bus sa-ra saaba saabs saana saans saara saasa saasu saban sabar sabas sabau sabra sabsa sabun sabur sabus sanaa sanar sanas sanba sanna sanns sansa sanur saraa sarab saran saras sarau sarbu sarna sarns sarra sarsa sarsu saru- sarun sarur