a-a a-b a-i aaa aab aag aai aao aar aas aau ab- aba abb abg abi abo abr abs abu ag- aga agb agg agi ago agr ags agu ai- aia aib aig aii aio air ais aiu aoa aob aog aoi aoo aor aos aou ar- ara arb arg ari aro arr ars aru as- asa asb asg asi aso asr ass asu au- aua aub aug aui auo aur aus b-u baa bab bag bai bao bar bas bau bba bbb bbg bbi bbo bbr bbs bbu bga bgb bgg bgi bgo bgr bgs bgu bi- bia bib big bii bio bir bis biu boa bob bog boi boo bor bos bou bra brb brg bri bro brr brs bru bsa bsb bsg bsi bso bsr bss bsu bua bub bug bui buo bur bus buu gaa gab gag gai gao gar gas gau gba gbg gbi gbo gbr gbs gbu gga ggb ggg ggi ggo ggr ggs ggu gia gib gig gii gio gir gis giu goa gob gog goi goo gor gos gou gra grb grg gri gro grr grs gru gsa gsb gsg gsi gso gsr gss gsu gu- gua gub gug gui guo gur gus guu ia- iaa iab iag iai iao iar ias iau iba ibb ibg ibi ibo ibr ibs ibu iga igb igg igi igo igr igs igu iia iib iii iio iir iis iiu io- ioa iob iog ioi ioo ior ios iou ir- ira irb irg iri iro irr irs iru is- isa isb isg isi iso isr iss isu iu- iua iub iug iui iur ius o-i oaa oab oag oai oao oar oas oau ob- oba obb obg obi obo obr obs obu oga ogg ogi ogo ogs oia oib oii oio oir ois oiu oo- ooa oob oog ooi ooo oor oos or- ora orb org ori oro orr ors oru os- osa osb osg osi oso osr oss osu ou- oua oui ouo our ous ra- raa rab rag rai rao rar ras rau rba rbb rbg rbi rbo rbr rbs rbu rga rgb rgg rgi rgo rgr rgs ria rib rig rii rio rir ris roa rob rog roi roo ror ros rou rra rrb rrg rri rrr rrs rru rsa rsb rsg rsi rso rsr rss rsu rua rub rug rui ruo rur rus ruu saa sab sag sai sao sar sas sau sba sbb sbg sbi sbo sbr sbs sbu sga sgb sgg sgi sgo sgr sgs sgu sia sib sig sii sio sir sis siu soa sob sog soi soo sor sos sou sr- sra srb srg sri sro srr srs ss- ssa ssb ssg ssi sso ssr sss ssu sua sub sug sui suo sur sus suu ua- uaa uab uag uai uao uar uas uau uba ubb ubg ubi ubo ubr ubs ubu uga ugb ugg ugi ugo ugr ugs ugu uia uib uig uii uio uir uis uiu uoa uob uog uoo uor uos ur- ura urb urg uri uro urr urs uru usa usb usg usi uso usr uss usu uua uug uur uus uuu

-ous a-ii aaaa aaab aaai aaar aaas aaba aabb aabi aaib aaii aais aaoo aara aari aaro aars aaru aasa aasi aass aasu aaus abaa abab abag abai abar abas abau abb- abba abbb abbi abbo abbr abbs abia abib abig abir abis abiu aboa abob aboo abor abos abou abra abri abro abrs abs- absa absi abss absu abua abug abus ag-o agag agai agao agar agas agau agba agbo agga aggi aggu agia agib agig agii agio agir agis agob agog agoo agos agou agra agri agro agsa agsg agsu agua agui agur agus aiai aias aiba aibo aiga aigo aiia aiib aiir aioi aira airi airo airs aisa aisb aisg aisi aiso aisr aiui aoba aora aorb aors aoss aous arab arag arai arar aras arau arba arbi arbs arga argb argi argo args aria arib arig arii ario aris aroa arob aroi aroo aror aros arr- arra arrg arri arro arrr arrs arru ars- arsa arsi arso arsu arua arub arug arui asaa asab asag asai asao asar asas asau asba asbo asbu asia asii asio asir asis asob asog asoi asor asos asou asra asrg asro asrs asru assa assi asso assr asss assu asub asui asur asus auaa auga augi augs auis aur- aura auri auro ausa ausu auug ba-i baaa baar baas baba babb babi babo babr babs babu baga bagg bagi bago bags baia baib baig baio bair bais baos bar- bara barb barg bari baro barr bars baru basa basi baso bass basu bau- baug baur bbas bbau bbbb bbbs bbga bbrg bggs bgia biao biar bias biba bibb bibi bibo bibs biga bigb bigg bigo bigs bigu biis bio- biog bioi bios biou bira birb birg biri biro birr birs biru bis- bisa biso biss bisu boab boag boai boar boas boba bobb bobi bobo bobs bobu boga bogg bogi bogo bogs boi- boii bois boiu boob boog boor boos bor- bora borg bori boro borr bors boru bosa bosi boso boss bosu boua bour bous brab brag brai brao bras brau bria brig brio bris broa brob brog broo bror bros brou brrr brrs brsb brsr brug brus bsaa bsas bsgs bsos bsra buar buba bubb bubi bubo bubs bubu buga bugg bugi bugo bugs buir buis buiu bur- bura burb burg buri buro burr burs buru busa busi buss busu buus gaar gaas gaba gabb gabi gabo gabr gabs gabu gaga gagg gagi gago gags gagu gaia gaig gair gais gaiu gaos gara garb garg gari garo garr gars gasa gasb gasi gaso gasr gass gaua gaub gaur gaus gbag gbas gbbo gbbs gggg ggss giaa giai gias giba gibb gibs giga gigg gigi gigo gigs giis giog gioi gira girg giri giro girr girs giru gisa giss giur gius goai goar goas goba gobi gobo gobs goga gogi gogo gogs gois goog gooi goor goos gora gorb gorg gori