a-ii aaaa aaai aaar aaas aaii aais aara aari aars aart aasa aasi aass aast aata aatt agag agai agar agas agat agga aggi agia agig agii agir agis agit agra agri agsa agsg agst agta agtr agts aiai aias aiga aiia aiir aira airi airs airt aisa aisg aisi aisr aist aita aiti aitr aits aitt arag arai arar aras arat arga argi args aria arig arii aris arit arr- arra arrg arri arrr arrs arrt ars- arsa arsi arst arta arti artr arts asaa asag asai asar asas asat asgt asia asii asir asis asit asra asrg asrs assa assi assr asss asst asta asti astr asts at-t ataa atai atar atas atat atia atis atit atra atri atsi atst atta atti attr atts gaar gaas gaga gagg gagi gags gaia gaig gair gais gait gara garg gari garr gars gart gasa gasi gasr gass gast gata gati gatr gats gatt gggg ggss giaa giai gias giat giga gigg gigi gigs giis gira girg giri girr girs girt gisa giss gist gita gits grai gras grat gria grig gris grit grrr grrs grss gsat gsis gstr gtaa gtta iaaa iaai iaas iaat iags iaia iais iara iars iart iasa iasi iasr iata iati igar igas igga iggs igia igis igra igri iias iiii iiis iiit iira iirs iisi iisr iist iita iitr iitt irai irar iras irgs iri- iria irig iris irra irri irrs irsa irsg irta irti irts is-a isai isar isas isat isia isis isit isra isrg isri issa issi issr isss ista isti istr ists itaa itai itar itas itat itgs itia itis itra itri itrs itsa itsi itta raag raas raat raga ragg ragi rags raia raig raii rair rais rait rara rari rars rasa rasi rass rast rata rati rats ratt rgit rgtr rgts riaa riai rias riat riga rigg rigi rigs riia riis riri rirs risa risi riss rist rita riti rits ritt rras rrat rrrr rsaa rsai rsis rssa rsts rtai rtas rtgs rtss rtts s-ii saag saar saas saat saga sagg sagi sags sagt saia sair sais sait sara sarg sari sarr sars sart sasa sasi sass sast sata satg sati satr sats satt sgaa sggg sggs sgss sgta sgts siaa siag siai sias siat siga sigg sigi sigs siit sira siri sirr sirs sirt sisa sisi siss sist sit- sita siti sits sitt sras sris srta srtr ssaa ssas ssat ssgs ssgt ssis ssit ssra ssrg ssri ssrs sssa sssi ssss ssta ssts stag stai star stas stat stgr stia stig stir stis stit stra stri strs stsi stss sttr taa- taag taar taas taat taga tagg tagi tags taia taig tair tais tait tara targ tari tarr tars tart tasa tasi tasr tass tast tata tati tatr tats tatt tgts tiaa tiar tias tiga tigi tigr tigs tiit tira tiri tirr tirs tisa tisi tiss tist tita titi tits titt traa trag trai tras trat tri- tria trig tris trit trra trsi trst trtr tsaa tsai tsar tsat tsgt tsia tsig tsis tssa tssg tssi tssr tsst tsts ttss tttt