a-ii aaaa aaaf aaai aaar aaas aafa aaff aafi aaii aais aara aari aars aart aasa aasf aasi aass aast aata aatf aatt afaa afar afat affa affi affs afft afia afif afir afis afit afr- afra afri afrs afsa afst afta afts aiai aias aiff aifs aiia aiir aira airi airs airt aisa aisi aisr aist aita aitf aiti aitr aits aitt araf arai arar aras arat arfa arff arfs arft aria arif arii aris arit arr- arra arri arrr arrs arrt ars- arsa arsi arst arta arti artr arts asaa asaf asai asar asas asat asfa asfi asia asif asii asir asis asit asra asrs assa assi assr asss asst asta asti astr asts at-t ataa atai atar atas atat atfs atia atif atis atit atra atri atsi atst atta atti attr atts faaa faas fafa faff fafi fair fais fait fara farr fars fart fasa fasi fass fast fata fatf fati fats fatt ffar ffff ffii ffrr ffsa ffss fftf fiaa fiaf fiar fias fiat fifa fiff fifi fift fiii fira firs fisa fisi fiss fist fita fiti fits fitt fras frat fria fris frit frst frta fsai fsas fsfi fsia fsra fssa fssf fsta ftii ftrs ftsa ftsr iaaa iaai iaas iaat iaff iaia iais iara iars iart iasa iasi iasr iata iati ifaa ifar ifas ifat ifis ifit ifra ifrf ifri ifsa ifta iias iifa iiii iiis iiit iira iirs iisi iisr iist iita iitr iitt iraf irai irar iras iri- iria iris irra irri irrs irsa irsf irta irtf irti irts is-a isaf isai isar isas isat isfa isia isis isit isra isri issa issf issi issr isss ista isti istr ists itaa itaf itai itar itas itat itfa itia itif itis itra itrf itri itrs itsa itsf itsi itta ittf raaf raas raat rafa raff rafi raft raia raif raii rair rais rait rara rarf rari rars rasa rasi rass rast rata ratf rati rats ratt riaa riai rias riat rifa riff rifs rift riia riif riis riri rirs risa risi riss rist rita riti rits ritt rras rrat rrif rrrr rsaa rsaf rsai rsis rssa rsts rtai rtas rtss rtts s-ii saaf saar saas saat safa saff safi safr saft saia saif sair sais sait sara sarf sari sarr sars sart sasa sasf sasi sass sast sata sati satr sats satt sfar sfas sfia sfra sfss sfts siaa siaf siai sias siat sifa siff sifr sift siit sira sirf siri sirr sirs sirt sisa sisi siss sist sit- sita siti sits sitt sraf sras srfi sris srta srtr ssaa ssas ssat ssis ssit ssra ssri ssrs sssa sssf sssi ssss ssta ssts stai star stas stat stia stif stir stis stit stra stri strs stsf stsi stss sttr taa- taaf taar taas taat tafa taff tafi taft taia tair tais tait tara tarf tari tarr tars tart tasa tasi tasr tass tast tata tati tatr tats tatt tfrs tfsi tfss tiaa tiaf tiar tias tifa tiff tift tiit tira tiri tirr tirs tisa tisi tiss tist tita titi tits titt traa traf trai tras trat trfr tri- tria trif tris trit trra trsi trst trtr tsaa tsai tsar tsat tsia tsis tssa tssf tssi tssr tsst tsts ttfa ttff ttss tttt