a-ii aaaa aaai aaap aaar aaii aaoo aapa aapi aapo aapt aara aari aaro aarp aart aata aatt aiai aiia aiir aioi aipa aipi aira airi airo airp airt aita aiti aitr aitt aopo aora aort apai apao apap apar apat api- apia apio apip apit apo- apoo apop apor apot appa appr appt apra apri apro aprt apta apti aptt arai arap arar arat aria arii ario arip arit aroa aroi aroo aror arpa arpi arr- arra arri arro arrr arrt arta arti arto artr at-t ataa atai atap atar atat atia atip atit atoi atop ator atot atpr atra atri atro atrp atta atti atto attp attr iaaa iaai iaap iaat iaia iapa iapp iapt iara iart iata iati iiii iiio iiit iioi iioo iiop iipa iira iita iitr iitt ioii ioio ioit iooi iooo iora iori iota ioto ipat ipop ippa ippo ippr ipri ipta ipto irai irao irap irar iri- iria irio irip irop irpa irra irri irta irti irtp itaa itai itap itar itat itia itoi itoo itor itpa itra itri itta itto oapi oara oiii oira oirt oita oiti ooaa ooia oooo oora oort ootp opap opar opia opii opio opit opo- opor oppa oppi oppo opra opti opto orai orao orar orat ori- oria orio orit oro- oror orot orpi orra orri orro orta orto otap otar otit oto- otoo otor otpp otra otro otta otti otto paap paar paat paia paio paip pair pait papa papi papp papr par- para pari paro parp parr part pata pati pato patr patt piai piao piat piia piip piot pipa pipi pipo pipp pira piri piro pirr pita piti pito pitr pitt poar poat poia poio poop poor poot pop- popa popi popo popp popt pora pori poro porr port pota poti poto pott ppap ppar ppoa pppa pppo pppp ppta pptt prai prao prar prat pri- pria prii pro- proa proo prop prot prri prti prtp prtr ptop raat raia raii raip rair rait raop rapa rapi rapp rapt rara rari raro rata rati rato ratp ratt riaa riai riat riia riot ripa ripi ripp ripr ript riri rita riti rito ritt roap roar roat roia roio roir roit rooi roop roor root ropa ropo rora rori roro rort rota roti roto rotr rott rpii rpta rrat rrrr rtai rtpa rttp taa- taar taat taia taio taip tair tait taoa taor tapa tapi tapo tapp tapr tapt tara tari taro tarp tarr tart tata tati tato tatr tatt tiaa tiao tiar tiit tiop tip- tipa tipi tipo tipp tipt tira tiri tiro tirr tita titi tito titp titt toat toit tooa toor toot top- topa topi topo topp topt tora tori toro torp torr tort tota toti toto totr tott tpap tpia tpir tppa tppp tppr tptp tptr traa trai trao trap trat tri- tria trio trip trit troa troi troo trop trot trpa trpp trra trtr ttop tttt