a-ii aaaa aaaf aaai aaar aaas aafa aaff aafi aaii aais aaoo aara aari aaro aars aasa aasf aasi aass afaa afao afar affa affi affo affs afia afif afir afis afoa afoo afor afr- afra afri afro afrs afsa aiai aias aiff aifs aiia aiir aioi aira airi airo airs aisa aisi aiso aisr aora aors aoss araf arai arar aras arfa arff arfs aria arif arii ario aris aroa aroi aroo aror aros arr- arra arri arro arrr arrs ars- arsa arsi arso asaa asaf asai asao asar asas asfa asfi asia asif asii asio asir asis asof asoi asor asos asra asro asrs assa assi asso assr asss faaa faas fafa faff fafi fafo faio fair fais fara faro farr fars fasa fasi faso fass ffar ffff ffii ffrr ffsa ffss fiaa fiaf fiar fias fifa fiff fifi fifo fiii fior fios fira firs fisa fisi fiss foaf foar fofo foia fois foof foos for- fora fori foro forr fors fosa fosi foso foss fras fria frio fris fros frso fsai fsas fsfi fsfo fsia fsra fssa fssf iaaa iaai iaas iaff iaia iais iara iars iasa iasi iaso iasr ifaa ifao ifar ifas ifis ifor ifra ifrf ifri ifsa ifso iias iifa iiii iiio iiis iioi iioo iios iira iirs iisi iisr ioii ioio ioof iooi iooo ioos iora iori iors ioso iraf irai irao irar iras iri- iria irio iris irra irri irrs irsa irsf is-a isaf isai isao isar isas isfa isia isis iso- isof isor isos isra isri issa issf issi isso issr isss oafo oafs oais oara oars oasi oass ofas off- offa offo offr offs ofor ofra oiii oios oira ooaa ooff oofs ooia oooo ooos oora oosa oosi orai orao orar oras orff orfi orfs ori- oria orif orio oris oro- orof oror oros orra orri orro orrs orsa orsi orso osaf osai osar osas osfa osia osii osis osoi osoo osor osos osro ossa ossi osso raaf raas rafa raff rafi raia raif raii rair rais raos rara rarf rari raro rars rasa rasi raso rass riaa riai rias rifa riff rifs riia riif riis rios riri rirs risa risi riso riss roaf roar roas roff rofo roia roif roio roir rois roof rooi roor roos rora rori roro rosa rosi roso ross rras rrif rrrr rsaa rsaf rsai rsis rsos rssa s-ii s-os saaf saar saas safa saff safi safo safr saia saif sair sais saoi saor saos sara sarf sari saro sarr sars sasa sasf sasi saso sass sfar sfas sfia sfio sfor sfos sfra sfro sfss siaa siaf siai sias sifa siff sifo sifr sior sios sira sirf siri siro sirr sirs sisa sisi siss soar soas sofa sofi sofo soia soif soir sois soof soor soos sora sori soro sorr sors sosa sosi soso soss sraf sras srfi sris sros ssaa ssao ssas ssis ssra ssri ssrs sssa sssf sssi ssss