phrr piai pibb pibi pica picc pich pici picr piha piia piip pima pimi pimp pipa pipi pipp pira pirc piri pirr pmaa pmac pmbr pmcc pmip pmma pmmp pmpm pmrc ppac ppap ppar ppcc ppci ppcm pphi ppib ppic ppih pppa pppp pprc pprm prai pram prar prbc prca prcc prcp pri- pria prii prim prmc prri prrm raab raam raba rabb rabi rac- raca racc rach raci raha rahi rahm rahr raia raic raii raim raip rair rama ramb rami ramm ramp rapa rapc raph rapi rapm rapp rara rarb rari rbbb rbbr rcac rcbc rccb rccc rchb rchm rcic rcmp rcpi rhap rhcm rhcp rhib rhim riaa riab riah riai riam rib- riba rica ricc rich riha riia rima rimi rimm ripa ripi ripp ripr riri rmrp rpca rpii rrah rrmc rrmp rrrr