a-a a-b a-i aaa aab aai aak aao aar aas aau ab- aba abb abi abk abo abr abs abu ai- aia aib aii aik aio air ais aiu aka akb aki akk ako akr aks aku aoa aob aoi aok aoo aor aos aou ar- ara arb ari ark aro arr ars aru as- asa asb asi ask aso asr ass asu au- aua aub aui auk auo aur aus b-u baa bab bai bak bao bar bas bau bba bbb bbi bbk bbo bbr bbs bbu bi- bia bib bii bik bio bir bis biu bka bkb bkk bko bkr bks boa bob boi bok boo bor bos bou bra brb bri brk bro brr brs bru bsa bsb bsi bsk bso bsr bss bsu bua bub bui buk buo bur bus buu ia- iaa iab iai iao iar ias iau iba ibb ibi ibk ibo ibr ibs ibu iia iib iii iio iir iis iiu ika ikb iki ikk iko ikr iks iku io- ioa iob ioi ioo ior ios iou ir- ira irb iri irk iro irr irs iru is- isa isb isi isk iso isr iss isu iu- iua iub iui iur ius ka- kaa kab kai kak kao kar kas kau kba kbb kbi kbk kbo kbr kbs kbu kia kib kii kik kio kir kis kiu kkb kki kkk kkr kks kku koa kob koi kok koo kor kos kou kra kri krk kro krr krs kru ksa ksb ksi ksk kso ksr kss ksu kub kui kuk kur kus kuu o-i oaa oab oai oak oao oar oas oau ob- oba obb obi obk obo obr obs obu oia oib oii oik oio oir ois oiu oka okb oki okk oko okr oks oku oo- ooa oob ooi ook ooo oor oos or- ora orb ori ork oro orr ors oru os- osa osb osi osk oso osr oss osu ou- oua oui ouk ouo our ous ra- raa rab rai rak rao rar ras rau rba rbb rbi rbk rbo rbr rbs rbu ria rib rii rik rio rir ris rkb rkk rko rks rku roa rob roi rok roo ror ros rou rra rrb rri rrk rrr rrs rru rsa rsb rsi rsk rso rsr rss rsu rua rub rui ruk ruo rur rus ruu saa sab sai sak sao sar sas sau sba sbb sbi sbk sbo sbr sbs sbu sia sib sii sik sio sir sis siu sk- ska skb ski skk sko skr sks sku soa sob soi sok soo sor sos sou sr- sra srb sri srk sro srr srs ss- ssa ssb ssi ssk sso ssr sss ssu sua sub sui suk suo sur sus suu ua- uaa uab uai uak uao uar uas uau uba ubb ubi ubk ubo ubr ubs ubu uia uib uii uio uir uis uiu uka ukb uki ukk ukr uku uoa uob uok uoo uor uos ur- ura urb uri urk uro urr urs uru usa usb usi usk uso usr uss usu uua uur uus uuu

-ous a-ak a-ii a-ok aaaa aaab aaai aaar aaas aaba aabb aabi aaib aaii aais aaka aaku aaoo aara aari aaro aars aaru aasa aasi aass aasu aaus abaa abab abai abak abar abas abau abb- abba abbb abbi abbo abbr abbs abia abib abir abis abiu aboa abob abok aboo abor abos abou abra abri abro abrs abs- absa absi abss absu abua abuk abus aiai aias aiba aibo aiia aiib aiir aika aiki aiko aiks aioi aira airi airo airs aisa aisb aisi aisk aiso aisr aiui akaa akai akao akar akas akia akik akio akir akis akiu akka akki akko akku akok akos akr- akra aksa aksi aksu akua aoba aoki aoks aora aorb aors aoss aous arab arai arak arar aras arau arba arbi arbs aria arib arii arik ario aris arka arki arko arks aroa arob aroi aroo aror aros arr- arra arri arrk arro arrr arrs arru ars- arsa arsi arsk arso arsu arua arub arui asaa asab asai asak asao asar asas asau asba asbo asbu asia asii asik asio asir asis aska aski asko askr asks asob asoi asok asor asos asou asra asro asrs asru assa assi assk asso assr asss assu asub asui asur asus auaa auis auki auks aur- aura auri auro ausa ausu ba-i baaa baak baar baas baba babb babi babo babr babs babu baia baib baik baio bair bais bak- baka baki bako bakr baks baku baos bar- bara barb bari bark baro barr bars baru basa basi bask baso bass basu bau- bauk baur bbas bbau bbbb bbbs biak biao biar bias biba bibb bibi bibo bibs biis biko biku bio- bioi bios biou bira birb biri birk biro birr birs biru bis- bisa bisk biso biss bisu boab boai boak boar boas boba bobb bobi bobo bobs bobu boi- boii bois boiu boka boki boko boks boku boob book boor boos bor- bora bori bork boro borr bors boru bosa bosi bosk boso boss bosu boua bouk bour bous brab brai brak brao bras brau bria brik brio bris brka brkb broa brob brok broo bror bros brou brrr brrs brsb brsr brus bsaa bsas bsos bsra buar buba bubb bubi bubo bubs bubu buik buir buis buiu buka buki bukk buko buku bur- bura burb buri burk buro burr burs buru busa busi busk buss busu buus iaaa iaai iaas iaba iaia iais iara iars iaru iasa iasi iask iaso iasr ibar ibas ibia ibis ibos ibra ibri ibro ibsa ibss ibus iias iiii iiio iiis iioi iioo iios iira iirs iisi iisr iisu ikar ikki ikko ikoo ikra ikri iksu ikuo ioba iobi ioii ioio ioko iooi iooo ioos iora iori iors ioso iosu ious irai irak irao irar iras iri- iria irio iris irka irki irks irob irra irri irrs irsa irus is-a isai isak isao isar isas isba isia isis iska isko isku iso- isok isor isos isra isri issa issi isso