a-ii aaaa aaaf aaai aaap aaar aafa aaff aafi aaii aapa aapi aara aari aarp afaa afap afar affa affi afia afif afir afpa afr- afra afri aiai aiff aiia aiir aipa aipf aipi aira airi airp apai apap apar apfa api- apia apip appa appr apra apri araf arai arap arar arfa arff aria arif arii arip arpa arpi arr- arra arri arrr faaa faap fafa faff fafi fair fapa fapp fara farp farr ffar ffff ffii ffrr fiaa fiaf fiap fiar fifa fiff fifi fiii fipa fipp fira fpaa fpra fprf frap fria frip iaaa iaai iaap iaff iafp iaia iapa iapf iapp iara ifaa ifar ifpa ifra ifrf ifri iifa iiii iipa iipf iira ipaf ippa ippf ippr ipri iraf irai irap irar iri- iria irip irpa irra irri paap paar pafa paff paia paip pair papa papi papp papr par- para parf pari parp parr pfaa pfff pffr pfra piaf piai pifa piff piia piip pipa pipi pipp pira piri pirr ppap ppar ppfa ppif pppa pppp pprf prai prar pri- pria prif prii prri raaf rafa raff rafi raia raif raii raip rair rapa rapi rapp rara rarf rari riaa riai rifa riff riia riif ripa ripi ripp ripr riri rpii rrif rrrr