a-ii a-iv aaaa aaai aaap aaar aaav aaii aapa aapi aapt aara aari aarp aart aata aatt aava aiai aiia aiir aipa aipi aira airi airp airt aita aiti aitr aitt aiva apai apap apar apat api- apia apip apit appa appr appt apra apri aprt apta apti aptt aptv arai arap arar arat aria arii arip arit arpa arpi arr- arra arri arrr arrt arta arti artr artv arva arvi at-t ataa atai atap atar atat atia atip atit atpr atra atri atrp atta atti attp attr atvi avar avat avia avip avit aviv avra avri avva iaaa iaai iaap iaat iaia iapa iapp iapt iara iart iata iati iava iiii iiit iipa iira iita iitr iitt ipat ippa ippr ipri ipta iptv irai irap irar iri- iria irip irpa irra irri irta irti irtp itaa itai itap itar itat itia itpa itra itri itta ivai ivar paap paar paat paia paip pair pait papa papi papp papr par- para pari parp parr part parv pata pati patr patt pava piai piat piia piip pipa pipi pipp pira piri pirr pita piti pitr pitt piva ppap ppar pppa pppp ppta pptt pptv prai prar prat pri- pria prii priv prri prti prtp prtr pvpa raat raia raii raip rair rait rapa rapi rapp rapt rara rari rata rati ratp ratt rava ravi riaa riai riat riia ripa ripi ripp ripr ript riri rita riti ritt riva rivp rpii rpta rrat rrrr rtai rtpa rttp rtva rtvi taa- taar taat taia taip tair tait tapa tapi tapp tapr tapt tara tari tarp tarr tart tata tati tatr tatt tatv tava tavi tiaa tiar tiit tip- tipa tipi tipp tipt tira tiri tirr tita titi titp titt tiva tivi tpap tpia tpir tppa tppp tppr tptp tptr traa trai trap trat trav tri- tria trip trit trpa trpp trpv trra trtr tttt tvpa tvri tvrr tvtv vaar vaat vaia vair vait vapa vapi vara vari varp varr vart vata vati vatt vava viar viii vipr vira viri virr virt vita viti vitt viva vivi vpat vrai vrap vrav vria vt-i vtap vtpr vvvv