nibo nicc nice nici nico nien nieo nier niip niir nimb nimc nimi nimo nimp nimr nine nini nino nion nioo nipc nipe nipr nire niro nm-e nmcp nmic nmmc nmoc nmon nmrc nmri nnmc nnnn nnpi nnpr nobc nobi nobm nobo noce noci noco noem noer noib noie noin noio noir nom- nome nomi nomo non- none noni nonn nono noo- noob noon nooo noop noor nope nor- norb norc nore nori norm norn noro norr npcc npic npin nppc npri nprm nrem nren nric nroc nron nrpc nrpn nrrc o-eo obbo obec oben ober obie obin oboe oboi obon obor obre obri obro ocbc occc occi occn oce ocee ocin ocom ocon ocpm ocpp ocre ocro ocrr oec- oecc oeec oeme oen- oeno oere oerm oici oier oiii oimb oime oion oipc oire ombe ombo omee omei omen omeo omer omic omie omim omin omio omn- omne omni omo- omoe omoi omon omoo omor omre omri omro onc- once onco one- oneb onec onee onei oneo onep oner onic onie onir onme onne onni onno onon onor oobe oobi oocr ooer oome oone oooo oore opec opei open opep oper opic opie opii opin opio opo- opon opor oppi oppo orbb orbe orbi orbo orce orci orco ore- oreb orec orem oren oreo orer ori- oric orie orin orio orme ormn ormo ornc orne orni orno oro- oroe orom oron oror orpc orpe orpi orri orro pbcc pbmr pboc pcbc pcbm pccc pcce pcem pcep pcer pcim pcin pcip pcmb pcoe pcom pcpb pcpm pcpn pcpp pcrc pcre pece peci peco pecr peec peen peep peer pein peio peip peir pen- penc pene peni penn peno peon peor pepe pepi pepo per- perc pere peri perm pern pero perp perr pibb pibi picc pice pici pico picr piem pien piep pier piip pime pimi pimp pinc pine pini pinm pinn pino pinp piob pion pipe pipi pipo pipp pirc pire piri pirn piro pirr pmbr pmcc pmip pmmp pmoi pmpm pmpo pmrc pnec pnic pnin pnnm pnom pnon pnpo pnpp pnro pobo poce poco poem poer poin poio pome pomi pomo pomp ponc pone poni pono ponp poon poop poor pop- popc pope popi popo popp porb porc pore pori porn poro porr ppcc ppci ppcm ppen pper ppib ppic ppie pppn pppo pppp pprc pprm prbc prcc prcp pre- preb prec pree prem pren prep pri- prie prii prim prin prmc prnp pro- prob proc proe prom pron proo prop prri prrm rbbb rbbr rcbc rcbo rccb rccc rcep rcic rcmp rcnr rcon rcpi rcpo rebb rebe rebo recc rece reci recm recp recr reeb reem reen reep reii reim rein reir reme remi remn remo remp rene reni renn reno reop repe repi repo repp repr rere reri rero rib- ribe ribo ricc rice rico riem rien riep rier riin rime rimi rimm rimo rine rinn rino riom rion ripe ripi ripp ripr rire riri rmon rmrp rnbr rnco rncp rnie rnin rob- robb robe robi robo rocc roce roco roen roer roin roio roir romb rome romi romm romo romp ronc rone roni rono roob rooi room roon roop roor rope ropo rorc rore rori roro rpii rpob rpoe rpon rppn rrmc rrmp rrrr