a-a a-b a-i a-t aaa aab aag aai aas aat aau ab- aba abb abg abi abs abt abu ag- aga agb agg agi ags agt agu ai- aia aib aig aii ais ait aiu as- asa asb asg asi ass ast asu at- ata atb atg ati ats att atu au- aua aub aug aui aus aut b-u baa bab bag bai bas bat bau bba bbb bbg bbi bbs bbt bbu bga bgb bgg bgi bgs bgt bgu bi- bia bib big bii bis bit biu bsa bsb bsg bsi bss bst bsu bta btb btg bti bts btt btu bua bub bug bui bus but buu gaa gab gag gai gas gat gau gba gbg gbi gbs gbt gbu gga ggb ggg ggi ggs ggt ggu gia gib gig gii gis git giu gsa gsb gsg gsi gss gst gsu gta gtb gtg gti gts gtt gtu gu- gua gub gug gui gus gut guu ia- iaa iab iag iai ias iat iau iba ibb ibg ibi ibs ibt ibu iga igb igg igi igs igt igu iia iib iii iis iit iiu is- isa isb isg isi iss ist isu ita itb itg iti its itt itu iu- iua iub iug iui ius iut saa sab sag sai sas sat sau sba sbb sbg sbi sbs sbt sbu sga sgb sgg sgi sgs sgt sgu sia sib sig sii sis sit siu ss- ssa ssb ssg ssi sss sst ssu sta stb stg sti sts stt stu sua sub sug sui sus sut suu taa tab tag tai tas tat tau tba tbb tbg tbi tbs tbt tbu tga tgb tgg tgi tgs tgt tgu tia tib tig tii tis tit tiu tsa tsb tsg tsi tss tst tsu tta ttb ttg tti tts ttt ttu tua tub tug tui tus tut tuu ua- uaa uab uag uai uas uat uau uba ubb ubg ubi ubs ubt ubu uga ugb ugg ugi ugs ugt ugu uia uib uig uii uis uit uiu usa usb usg usi uss ust usu uta utb uti uts utt utu uua uug uus uut uuu

a-ii aaaa aaab aaai aaas aaba aabb aabi aabt aaib aaii aais aasa aasi aass aast aasu aata aatt aaus abaa abab abag abai abas abat abau abb- abba abbb abbi abbs abbt abia abib abig abis abit abiu abs- absa absi abss absu abta abts abtu abua abug abus abut agag agai agas agat agau agba agga aggi aggu agia agib agig agii agis agit agsa agsg agst agsu agta agts agua agui agus agut aiai aias aiba aiga aiia aiib aisa aisb aisg aisi aist aita aiti aits aitt aitu aiui asaa asab asag asai asas asat asau asba asbu asgt asia asii asis asit assa assi asss asst assu asta astb asti asts asub asui asus at-t ataa atab atai atas atat atbs atia atis atit atiu atsb atsi atst atta atti atts attu atua atub atug atus auaa auga augi augs auis ausa aust ausu aut- auts auug ba-i baaa baas baat baba babb babi babs babu baga bagg bagi bags bagt baia baib baig bais bait basa basi bass bast basu bata bati bats batt batu bau- baug bbas bbau bbbb bbbs bbga bggs bgia bgst bias biat biba bibb bibi bibs biga bigb bigg bigs bigt bigu biis bis- bisa biss bist bisu bita bits bitt bitu bsaa bsas bsat bsgs bsts btaa btss bttb btus buat buba bubb bubi bubs bubu buga bugg bugi bugs buis buit buiu busa busi buss bust busu but- buta buti buts butt buus gaas gaba gabb gabi gabs gabt gabu gaga gagg gagi gags gagu gaia gaig gais gait gaiu gasa gasb gasi gass gast gata gati gats gatt gaua gaub gaus gaut gbag gbas gbbs ggbt gggg ggss giaa giai gias giat giba gibb gibs giga gigg gigi gigs giis gisa giss gist gita gits gius gsab gsat gsis gtaa gtta guaa guag guat guba gubb gubi gubs gubu guga gugb gugg gugi gugu guia guib guis gusa gusb guss gust guta guti guts gutt gutu guus iaaa iaai iaas iaat iaba iags iaia iais iasa iasi iata iati ibas ibat ibga ibia ibis ibsa ibss ibtb ibts ibus igas igba igga iggs igia igis igua igus iias iiii iiis iiit iisi iist iisu iita iitt is-a isai isas isat isba isbt isia isis isit issa issi isss issu ista isti ists isua isus itaa itai itas itat itbs itgs itia itis itsa itsi itsu itta iugs iuiu iuss iust s-ib s-ii saab saag saas saat saba sabb sabi sabs sabu saga sagg sagi sags sagt sagu saia sais sait sasa sasi sass sast sata satb satg sati sats satt satu saua saus saut sbaa sbai sbas sbbs sbia sbig sbsa sbsi sbst sbus sgaa sgau sggg sggs sgss sgta sgts siaa siab siag siai sias siat siau siba sibi sibs sibu siga sigg sigi sigs siit sisa sisi siss sist sisu sit- sita siti sits sitt situ siui sius siut ssaa ssab ssas ssat ssau ssgs ssgt ssis ssit sssa sssb sssi ssss ssta sstb ssts stab stag stai stas stat stau stbs stia stib stig stis stit stsi stss stub stug stus stut suas suat sub- suba subb subg subi subs sug- suga sugg sugi suig suis suit sus- susa susi suss sust susu suta suti sutu suus taa- taag taas taat taba tabb tabi tabs tabu taga tagg tagi tags tagu taia taig tais tait tasa tasb tasi tass tast tasu tata tatb tati tats tatt tatu taua taub taus taut tbas tbbs tbgs tbit tbst tbta tgts tiaa tiab tias tiba tibi tibs tibu tiga tigi tigs tiit tiiu tisa tisb tisi tiss tist tita titi tits titt titu tsaa tsai tsat tsau tsgt tsia tsig tsis tssa tssg tssi tsst tsts tsui ttab ttbb ttss tttt tuas tuat tuba tubb tubs tubu tuga tugg tugs tugu tuig tuis tuit tuiu tusa tusi tuss tust tuta tuti tuts