oiii oimb oipc oira omac omai omam omao omap omar ombo omca omia omic omim omio omma omo- omoa omoi omoo omor ompa omra omri omro ooaa ooba oobi oocr ooia ooma oooo oora opap opar opca opia opic opii opio opo- opor oppa oppi oppo opra orab orac orai oram orao orar orba orbb orbi orbo orca orci orco ori- oria oric orio orma ormo oro- orom oror orpc orpi orra orri orro paap paar paba paca paci paco paia paib paio paip pair pam- pama pamb pami pamm pamo pamp paoc papa papb papi papp papr par- para parc pari parm paro parp parr pbac pbar pbcc pbmr pboc pbpa pcaa pcap pcba pcbc pcbm pcca pccc pcia pcim pcip pcmb pcoa pcom pcpb pcpm pcpp pcra pcrc piai piao pibb pibi pica picc pici pico picr piia piip pima pimi pimp piob pipa pipi pipo pipp pira pirc piri piro pirr pmaa pmac pmbr pmcc pmip pmma pmmp pmoi pmpm pmpo pmrc poar poba pobo poca poco poia poio poma pomi pomo pomp poop poor pop- popa popc popi popo popp pora porb porc pori poro porr ppac ppap ppar ppcc ppci ppcm ppib ppic ppoa pppa pppo pppp pprc pprm prai pram prao prar prbc prca prcc prcp pri- pria prii prim prmc pro- proa prob proc prom proo prop prri prrm raab raam raba rabb rabi rabo rac- raca racc raci raco raia raic raii raim raip rair rama ramb rami ramm ramo ramp raob raoc raom raop rapa rapc rapi rapm rapp rara rarb rari raro rbbb rbbr rcac rcbc rcbo rccb rccc rcic rcmp rcpi rcpo riaa riab riai riam rib- riba ribo rica ricc rico riia rima rimi rimm rimo riom ripa ripi ripp ripr riri rmrp roab roam roap roar rob- roba robb robi robo roca rocc roco roia roio roir roma romb romi romm romo romp roob rooi room roop roor ropa ropo rora rorc rori roro rpca rpii rpob rrmc rrmp rrrr