a-a a-b a-t aaa aab aag aao aar aas aat aau ab- aba abb abg abo abr abs abt abu ag- aga agb agg ago agr ags agt agu aoa aob aog aoo aor aos aot aou ar- ara arb arg aro arr ars art aru as- asa asb asg aso asr ass ast asu at- ata atb atg ato atr ats att atu au- aua aub aug auo aur aus aut b-u baa bab bag bao bar bas bat bau bba bbb bbg bbo bbr bbs bbt bbu bga bgb bgg bgo bgr bgs bgt bgu boa bob bog boo bor bos bot bou bra brb brg bro brr brs brt bru bsa bsb bsg bso bsr bss bst bsu bta btb btg bto btr bts btt btu bua bub bug buo bur bus but buu gaa gab gag gao gar gas gat gau gba gbg gbo gbr gbs gbt gbu gga ggb ggg ggo ggr ggs ggt ggu goa gob gog goo gor gos got gou gra grb grg gro grr grs grt gru gsa gsb gsg gso gsr gss gst gsu gta gtb gtg gto gtr gts gtt gtu gu- gua gub gug guo gur gus gut guu oaa oab oag oao oar oas oat oau ob- oba obb obg obo obr obs obt obu oga ogg ogo ogs ogt oo- ooa oob oog ooo oor oos oot or- ora orb org oro orr ors ort oru os- osa osb osg oso osr oss ost osu ot- ota otb otg oto otr ots ott otu ou- oua ouo our ous out ra- raa rab rag rao rar ras rat rau rba rbb rbg rbo rbr rbs rbt rbu rga rgb rgg rgo rgr rgs rgt roa rob rog roo ror ros rot rou rra rrb rrg rrr rrs rrt rru rsa rsb rsg rso rsr rss rst rsu rta rtb rtg rto rtr rts rtt rtu rua rub rug ruo rur rus rut ruu saa sab sag sao sar sas sat sau sba sbb sbg sbo sbr sbs sbt sbu sga sgb sgg sgo sgr sgs sgt sgu soa sob sog soo sor sos sot sou sr- sra srb srg sro srr srs srt ss- ssa ssb ssg sso ssr sss sst ssu sta stb stg sto str sts stt stu sua sub sug suo sur sus sut suu taa tab tag tao tar tas tat tau tba tbb tbg tbo tbr tbs tbt tbu tga tgb tgg tgo tgr tgs tgt tgu to- toa tob tog too tor tos tot tou tra trb trg tro trr trs trt tru tsa tsb tsg tso tsr tss tst tsu tta ttb ttg tto ttr tts ttt ttu tua tub tug tuo tur tus tut tuu ua- uaa uab uag uao uar uas uat uau uba ubb ubg ubo ubr ubs ubt ubu uga ugb ugg ugo ugr ugs ugt ugu uoa uob uog uoo uor uos uot ur- ura urb urg uro urr urs urt uru usa usb usg uso usr uss ust usu uta utb uto utr uts utt utu uua uug uur uus uut uuu

-ous aaaa aaab aaar aaas aaba aabb aabt aaoo aara aaro aars aart aaru aasa aass aast aasu aata aatt aaus abaa abab abag abar abas abat abau abb- abba abbb abbo abbr abbs abbt aboa abob aboo abor abos abot abou abra abro abrs abs- absa abss absu abta abts abtu abua abug abus abut ag-o agag agao agar agas agat agau agba agbo agga aggu agob agog agoo agos agot agou agra agro agsa agsg agst agsu agta agtr agts agua agur agus agut aoba aora aorb aors aort aoss aous aout arab arag arar aras arat arau arba arbs arga argb argo args aroa arob aroo aror aros arr- arra arrg arro arrr arrs arrt arru ars- arsa arso arst arsu arta arto artr arts arua arub arug arut asaa asab asag asao asar asas asat asau asba asbo asbu asgt asob asog asor asos asot asou asra asrg asro asrs asru assa asso assr asss asst assu asta astb asto astr asts asub asur asus at-t ataa atab atar atas atat atbs atgo atob ator atos atot atra atro atru atsb atst atta atto attr atts attu atua atub atug atur atus auaa auga augs aur- aura auro ausa aust ausu aut- auto auts auug baaa baar baas baat baba babb babo babr babs babu baga bagg bago bags bagt baos bar- bara barb barg baro barr bars bart baru basa baso bass bast basu bata bato bats batt batu bau- baug baur bbas bbau bbbb bbbs bbga bbrg bggs bgst boab boag boar boas boat boba bobb bobo bobs bobu boga bogg bogo bogs bogt boob boog boor boos boot bor- bora borg boro borr bors bort boru bosa boso boss bost bosu bota botb boto bots bott boua bour bous bout brab brag brao bras brat brau broa brob brog broo bror bros brot brou brrr brrs brsb brsr brst brug brus brut bsaa bsas bsat bsgs bsos bsra bsts btaa btob btor btrt btss bttb btus buar buat buba bubb bubo bubs bubu buga bugg bugo bugs bur- bura burb burg buro burr burs burt buru busa buss bust busu but- buta buto buts butt buus gaar gaas gaba gabb gabo gabr gabs gabt gabu gaga gagg gago gags gagu gaos gara garb garg garo garr gars gart gasa gasb gaso gasr gass gast gata gato gatr gats gatt gaua gaub gaur gaus gaut gbag gbas gbbo gbbs ggbt gggg ggss goar goas goat goba gobo gobs goga gogo gogs goog goor goos goot gora gorb gorg goro gorr gors gort goso goss gost gosu gota goto gots gott gou- goug gour gous gout grab gras grat grau grbr grob grog groo gror gros grot grou grrr grrs grss grua grub grug grur grus grut gsab gsat gsos gstr gsur gtaa gtbr gtos gtta guaa guag guao guar guat guba gubb gubs gubu guga