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