a-a a-b a-i aaa aab aad aai aao aar aas aau ab- aba abb abd abi abo abr abs abu ad- ada adb add adi ado adr ads adu ai- aia aib aid aii aio air ais aiu aoa aob aod aoi aoo aor aos aou ar- ara arb ard ari aro arr ars aru as- asa asb asd asi aso asr ass asu au- aua aub aud aui auo aur aus b-u baa bab bad bai bao bar bas bau bba bbb bbd bbi bbo bbr bbs bbu bda bdb bdd bdi bdo bdr bds bdu bi- bia bib bid bii bio bir bis biu boa bob bod boi boo bor bos bou bra brb brd bri bro brr brs bru bsa bsb bsd bsi bso bsr bss bsu bua bub bud bui buo bur bus buu daa dab dad dai dao dar das dau dba dbb dbd dbi dbo dbr dbs dbu dda ddb ddd ddi ddo ddr dds ddu di- dia dib did dii dio dir dis diu doa dob dod doi doo dor dos dou dra drb drd dri dro drr drs dru dsa dsb dsd dsi dso dsr dss dsu dua dub dud dui duo dur dus i-d ia- iaa iab iad iai iao iar ias iau iba ibb ibd ibi ibo ibr ibs ibu ida idb idd idi ido idr ids idu iia iib iid iii iio iir iis iiu io- ioa iob iod ioi ioo ior ios iou ir- ira irb ird iri iro irr irs iru is- isa isb isd isi iso isr iss isu iu- iua iub iud iui iur ius o-i oaa oab oad oai oao oar oas oau ob- oba obb obd obi obo obr obs obu oda odb odd odi odo odr ods odu oia oib oid oii oio oir ois oiu oo- ooa oob ood ooi ooo oor oos or- ora orb ord ori oro orr ors oru os- osa osb osd osi oso osr oss osu ou- oua oud oui ouo our ous ra- raa rab rad rai rao rar ras rau rba rbb rbd rbi rbo rbr rbs rbu rda rdb rdd rdi rdo rdr rds rdu ria rib rid rii rio rir ris roa rob rod roi roo ror ros rou rra rrb rrd rri rrr rrs rru rsa rsb rsd rsi rso rsr rss rsu rua rub rud rui ruo rur rus ruu saa sab sad sai sao sar sas sau sba sbb sbd sbi sbo sbr sbs sbu sda sdb sdd sdi sdo sdr sds sdu sia sib sid sii sio sir sis siu soa sob sod soi soo sor sos sou sr- sra srb srd sri sro srr srs ss- ssa ssb ssd ssi sso ssr sss ssu sua sub sud sui suo sur sus suu ua- uaa uab uad uai uao uar uas uau uba ubb ubi ubo ubr ubs ubu uda udb udd udi udo udr uds udu uia uib uid uii uio uir uis uiu uoa uob uod uoo uor uos ur- ura urb urd uri uro urr urs uru usa usb usd usi uso usr uss usu uua uur uus uuu

-ous a-do a-ii aaaa aaab aaad aaai aaar aaas aaba aabb aabd aabi aada aadi aads aadu aaib aaii aais aaoo aara aard aari aaro aars aaru aasa aasd aasi aass aasu aaus abaa abab abad abai abar abas abau abb- abba abbb abbi abbo abbr abbs abda abdi abdo abdu abia abib abid abir abis abiu aboa abob abod aboo abor abos abou abra abri abro abrs abs- absa absd absi abss absu abua abud abus adaa adab adad adai adao adar adas adba adbi adda addd addi addo addr adds addu adia adib adio adir adis adob adod adoo ador ados adra adro adrs adsa adsi adso adsr adss adua adub adur aiai aias aiba aibo aida aidb aidi aidr aids aidu aiia aiib aiid aiir aioi aira aird airi airo airs aisa aisb aisd aisi aiso aisr aiud aiui aoba aora aorb aors aosd aoss aous arab arad arai arar aras arau arba arbi arbs arda ardi ardo ards ardu aria arib arid arii ario aris aroa arob arod aroi aroo aror aros arr- arra arri arro arrr arrs arru ars- arsa arsd arsi arso arsu arua arub arud arui asaa asab asad asai asao asar asas asau asba asbo asbu asda asdo asds asia asii asio asir asis asob asod asoi asor asos asou asra asro asrs asru assa assd assi asso assr asss assu asub asud asui asur asus auaa audi audo auis aur- aura aurd auri auro ausa ausd ausu ba-i baaa baad baar baas baba babb babi babo babr babs babu bada badb badd badi bado badr bads badu baia baib baid baio bair bais baos bar- bara barb bard bari baro barr bars baru basa basi baso bass basu bau- baud baur bbad bbas bbau bbbb bbbs bbdd bbdo bd-r bdii bdos bdsd biad biao biar bias biba bibb bibi bibo bibs bida bidi bido bidr bids bidu biis bio- bioi bios biou bira birb bird biri biro birr birs biru bis- bisa bisd biso biss bisu boab boad boai boar boas boba bobb bobi bobo bobs bobu boda bodb bodi bodo bods bodu boi- boid boii bois boiu boob bood boor boos bor- bora bord bori boro borr bors boru bosa bosi boso boss bosu boua boud bour bous brab brad brai brao bras brau brda brdo brds bria brid brio bris broa brob brod broo bror bros brou brrr brrs brsb brsr brud brus bsaa bsas bsbd bsod bsos bsra bsrd bssd buad buar buba bubb bubi bubo bubs bubu buda budb budd budi budo buds budu buid buir buis buiu bur- bura burb burd buri buro burr burs buru busa busi buss busu buus d-bo daab daad daar daas daau daba dabb dabo dabs dabu dada dadi dado dads dadu daia daid daio dair dais daos daou dara darb dard dari daro darr dars daru