a-ii a-iv aaaa aaai aaap aaar aaav aaii aapa aapi aara aari aarp aava aiai aiia aiir aipa aipi aira airi airp aiva apai apap apar api- apia apip appa appr apra apri arai arap arar aria arii arip arpa arpi arr- arra arri arrr arva arvi avar avia avip aviv avra avri avva iaaa iaai iaap iaia iapa iapp iara iava iiii iipa iira ippa ippr ipri irai irap irar iri- iria irip irpa irra irri ivai ivar paap paar paia paip pair papa papi papp papr par- para pari parp parr parv pava piai piia piip pipa pipi pipp pira piri pirr piva ppap ppar pppa pppp prai prar pri- pria prii priv prri pvpa raia raii raip rair rapa rapi rapp rara rari rava ravi riaa riai riia ripa ripi ripp ripr riri riva rivp rpii rrrr vaar vaia vair vapa vapi vara vari varp varr vava viar viii vipr vira viri virr viva vivi vrai vrap vrav vria vvvv