a-ii aaaa aaaf aaai aaar aaas aafa aaff aafi aaii aais aaoo aara aari aaro aars aart aasa aasf aasi aass aast aata aatf aatt afaa afao afar afat affa affi affo affs afft afia afif afir afis afit afix afoa afoo afor afox afr- afra afri afro afrs afsa afst afta afts aiai aias aiff aifs aiia aiir aioi aira airi airo airs airt airx aisa aisi aiso aisr aist aita aitf aiti aitr aits aitt aixa aixi aora aors aort aoss aotf araf arai arar aras arat arax arfa arff arfs arft aria arif arii ario aris arit aroa aroi aroo aror aros arr- arra arri arro arrr arrs arrt ars- arsa arsi arso arst arta arti arto artr arts artx asaa asaf asai asao asar asas asat asfa asfi asia asif asii asio asir asis asit asix asof asoi asor asos asot asra asro asrs assa assi asso assr asss asst asta asti asto astr asts at-t at-x ataa atai atar atas atat atax atfs atia atif atis atit atof atoi ator atos atot atra atri atro atrx atsi atst atta atti atto attr atts axaf axar axat axfr axfs axi- axia axis axo- axoa axof axos axto axxo faaa faas fafa faff fafi fafo faio fair fais fait faix fara faro farr fars fart fasa fasi faso fass fast fata fatf fati fato fats fatt faxi ffar ffff ffii ffrr ffsa ffss fftf fiaa fiaf fiar fias fiat fifa fiff fifi fifo fift fiii fior fios fira firs fisa fisi fiss fist fita fiti fits fitt fixt fixx foaf foar fofo foia fois foix foof foos foot for- fora fori foro forr fors fort fosa fosi foso foss fost fota foti foto fots fott foxx fras frat frax fria frio fris frit fros frot frso frst frta fsai fsas fsfi fsfo fsia fsix fsra fssa fssf fsta ftii ftos ftrs ftsa ftsr iaaa iaai iaas iaat iaff iaia iais iara iars iart iasa iasi iaso iasr iata iati ifaa ifao ifar ifas ifat ifis ifit ifor ifra ifrf ifri ifsa ifso ifta ifto iias iifa iiii iiio iiis iiit iioi iioo iios iira iirs iisi iisr iist iita iitr iitt ioii ioio ioit ioof iooi iooo ioos iora iori iors ioso iota iotf ioto iraf irai irao irar iras iri- iria irio iris irix irra irri irrs irsa irsf irta irtf irti irts is-a isaf isai isao isar isas isat isfa isia isis isit iso- isof isor isos isra isri issa issf issi isso issr isss ista isti isto istr ists itaa itaf itai itar itas itat itfa itia itif itis itof itoi itoo itor itos itra itrf itri itrs itsa itsf itsi itso itta ittf itto ixia ixos ixxi oafo oafs oais oara oars oasi oass oast oats ofas off- offa offo offr offs ofit ofor ofra ofst ofta oiii oios oira oirt oist oita oiti ooaa ooff oofs ooia oooo ooos oora oort oosa oosi oost oots orai orao orar oras orat orff orfi orfs ori- oria orif orio oris orit orix oro- orof oror oros orot orra orri orro orrs orsa orsi orso orta orto orts osaf osai osar osas osat osfa osia osii osis osoi osoo osor osos osro ossa ossi osso osta osti ostr osts otar otas otif otis otit oto- otof otoo otor otos otra otro otrs otsa otso otta otti otto otts oxa- oxi- oxia oxis oxo- oxof oxos oxox oxsi oxxo raaf raas raat rafa raff rafi raft raia raif raii rair rais rait raix raos rara rarf rari raro rars rasa rasi raso rass rast rata ratf rati rato rats ratt raxa raxi riaa riai rias riat rifa riff rifs rift riia riif riis rios riot riri rirs risa risi riso riss rist rita riti rito rits ritt rixo roaf roar roas roat roff rofo roia roif roio roir rois roit roof rooi roor roos root roox rora rori roro rort rosa rosi roso ross rost rota roti roto rotr rots rott roxa roxo rras rrat rrif rrrr rsaa rsaf rsai rsis rsos rssa rsts rtai rtas rtss rtts s-ii s-os sa-x saaf saar saas saat safa saff safi safo safr saft saia saif sair sais sait saix saoi saor saos sara sarf sari saro sarr sars sart sasa sasf sasi saso sass sast sata sati sato satr sats satt saxa saxi saxo saxt sfar sfas sfax sfia sfio sfor sfos sfra sfro sfss sfts siaa siaf siai sias siat sifa siff sifo sifr sift siit sior sios siot siox sira sirf siri siro sirr sirs sirt sisa sisi siss sist sit- sita siti sito sits sitt sixa sixo sixt sixx soar soas soat sofa sofi sofo soft soia soif soir sois soit soof soor soos soot sora sori soro sorr sors sort sosa sosi soso soss sost sota soto sots soxs sraf sras srfi sris sros srta srtr ssaa ssao ssas ssat ssis ssit ssot ssra ssri ssrs sssa sssf sssi ssss ssta ssts stai star stas stat stax stia stif stio stir stis stit stix stoa stof stoo stor stos stot stox stra stri stro strs stsf stsi stss sttr taa- taaf taar taas taat tafa taff tafi tafo taft taia taio tair tais tait taix taoa taor taos tara tarf tari taro tarr tars tart tasa tasi tasr tass tast tata tati tato tatr tats tatt tax- taxa taxf taxi taxo taxt tfot tfox tfrs tfsi tfss tiaa tiaf tiao tiar tias tiax tifa tiff tifo tift tiit tios tira tiri tiro tirr tirs tisa tisi tiso tiss tist tita titi tito tits titt tixt toas toat tofa toff tofi tofo toft tois toit tooa toof toor toos toot tora torf tori toro torr tors tort torx tosa tosi toso toss tost tosx tota toti toto totr tots tott tox- toxa toxi toxo toxs toxt traa traf trai trao tras trat trax trfr tri- tria trif trio tris trit trix troa troi troo tros trot trox trra trsi trst trtr tsaa tsai tsao tsar