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 airx aita aiti aitr aitt aixa aixi aopo aora aort apai apao apap apar apat apax api- apia apio apip apit apix apo- apoo apop apor apot apox appa appr appt appx apra apri apro aprt apta apti aptt aptx arai arap arar arat arax aria arii ario arip arit aroa aroi aroo aror arpa arpi arr- arra arri arro arrr arrt arta arti arto artr artx at-t at-x ataa atai atap atar atat atax atia atip atit atoi atop ator atot atpr atra atri atro atrp atrx atta atti atto attp attr axar axat axi- axia axo- axoa axto axxo iaaa iaai iaap iaat iaia iapa iapp iapt iapx 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 ipix ipop ippa ippo ippr ipri ipta ipto irai irao irap irar iri- iria irio irip irix irop irpa irra irri irta irti irtp itaa itai itap itar itat itia itoi itoo itor itpa itra itri itta itto ixia ixxi 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 orix oro- oror orot orpi orra orri orro orta orto otap otar otit oto- otoo otor otpp otra otro otta otti otto oxa- oxi- oxia oxo- oxox oxxo paap paar paat paia paio paip pair pait paix paox papa papi papp papr par- para pari paro parp parr part pata pati pato patr patt paxi paxo piai piao piat piia piip piot pipa pipi pipo pipp pira piri piro pirr pita piti pito pitr pitt pitx pixo pixx poar poat poia poio poix 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 prix pro- proa proo prop prot prox prri prti prtp prtr ptop ptox raat raia raii raip rair rait raix raop rapa rapi rapp rapt rara rari raro rata rati rato ratp ratt raxa raxi riaa riai riat riia riot ripa ripi ripp ripr ript riri rita riti rito ritt rixo roap roar roat roia roio roir roit rooi roop roor root roox ropa ropo rora rori roro rort rota roti roto rotr rott roxa roxo rpii rpix rpta rrat rrrr rtai rtpa rttp taa- taar taat taia taio taip tair tait taix taoa taor tapa tapi tapo tapp tapr tapt tara tari taro tarp tarr tart tata tati tato tatr tatt tax- taxa taxi taxo taxt tiaa tiao tiar tiax tiit tiop tip- tipa tipi tipo tipp tipt tira tiri tiro tirr tita titi tito titp titt tixt toat toit tooa toor toot top- topa topi topo topp topt tora tori toro torp torr tort torx tota toti toto totr tott tox- toxa toxi toxo toxt tpap tpia tpir tppa tppp tppr tptp tptr traa trai trao trap trat trax tri- tria trio trip trit trix troa troi troo trop trot trox trpa trpp trra trtr ttop tttt txaa txii txtr xaar xait xapi xapo xara xiao xiap xiii xita xito xixi xoro xorp xoxo xpax xpot xpra xpto xtar xtra xtro xxii xxix xxxi xxxo xxxx