oere oers oese ogb ogbe ogee oger ogge oggi ogog ogoi ogre ogri ogro ogsi oici oier oies oigo oiii oios oipc oire oisc oise oobe oobi oocr ooer ooes oooo ooos oops oore oose oosi opec opei opep oper opes opic opie opii opio opis opo- opor opos oppi oppo opps opsi orbb orbe orbi orbo orbs orce orci orco orcs ore- oreb orec oreg oreo orer ores orge orgo orgs ori- oric orie orig orio oris oro- oroe oror oros orpc orpe orpi orps orri orro orrs orse orsi orso osbe osbp oscc osce osci osco osec osee osei oser oses osgi osie osii osip osis osoi osoo osor osos osro ossb osse ossi osso pbcc pbgc pboc pbrs pbsp pcbc pcbs pccc pcce pccs pcep pcer pcgg pcgs pcip pcoe pcos pcpb pcpp pcps pcrc pcre pcse pcso pece peci peco pecr pecs peec peep peer pees pegg pego pegs peio peip peir peis peor pepe pepi pepo peps per- perc pere perg peri pero perp perr pers pese pesi peso pess pgcc pgce pger pgib pgrc pgsc pgss pibb pibi picc pice pici pico picr pics piep pier pies pigb pigc pigg pigo pigp pigs piip piob pipe pipi pipo pipp pips pirc pire pirg piri piro pirr pirs pise pisg pisi piso piss pobo pobs poce poco pocs poer poes poge pogg pogo pogs poio pois poop poor poos pop- popc pope popi popo popp pops porb porc pore porg pori poro porr pors posb pose posi poso poss ppcc ppci ppcs pper ppgi ppib ppic ppie ppig ppos pppo pppp ppps pprc ppss prbc prbs prcc prcp prcs pre- preb prec pree preg prep pres prgs pri- prie prig prii pris pro- prob proc proe prog proo prop pros prps prri prrs prsc prse prsi prso prss psbr psci psco pseb psec pseg psei psgi psgr psip psis psoc psoi psos pspi pspp pspr psps psrp pssc psse psso rbbb rbbr rbbs rbis rbsp rbss rcbc rcbo rccb rccc rccs rcep rcgc rcic rcis rcos rcpi rcpo rcps rcrg rcsc rcsi rcss rebb rebe rebo rebs recc rece reci recp recr recs reeb reep rees rege regi rego regr regs reii reir reis reog reop reos repe repi repo repp repr reps rere rerg reri rero rers rese resi reso resp ress rgbe rgbi rib- ribe ribo ribs ricc rice rico rics riep rier ries rige rigg rigi rigo rigs riis rios ripe ripi ripp ripr rips rire riri rirs risc rise risi riso risp riss rob- robb robe robi robo robs rocc roce roco rocs roeg roer roes roge rogg rogi rogo roig roio roir rois roob roog rooi roop roor roos rope ropo rops rorc rore rori roro rosc rose rosi roso rosp ross rpcs rpgs rpii rpob rpoe rpos rpps rrrr rrsp rsbi rscc rscs rsee rsgb rsgc rsis rsos rspb rspo rsps rsre s-ib s-ic s-ii s-os sbbs sbcc sbcs sber sbic sbig sbor sbse sbsi sbsp scbi sccc scce sccp sccs scec scee sceg scep scer scgp scgs sci- scic scie scio scip scir scis scob scog scoo scop scor scpb scpe scpi scpo scps scr- scrc scre scri scrs scsc scsi scso scsr se-c se-e se-g se-i se-o se-s sebe sebi sebo sebs sec- secc sece secg seco secr secs seeb seec seeg seep seer sees sege segg segi sego segs seie seii seip seir seis seoc seoi seop sepe sepg sepi sepo sepp sepr seps serb serc sere serg seri sero serp serr sers sesc sese sesi seso sess sgcb sgce sgcg sger sges sggg sggs sgic sgio sgps sgro sgss sibc sibe sibi sibo sibs sicc sice sici sico sicp sics siec sieg sier sies sige sigg sigi sigo sigs sioe siop sior sios sipc sipe sipi sipo sipp sips sirc sire siri siro sirp sirr sirs sisc sise sisi siss sobe sobo sobp sobr sobs soce soci soco socr socs soec soeo soep soes sogi sogo sogs soic soie soir sois soog soop soor soos sope sopi sopo sopp sops sorb sore sorg sori soro sorr sors sose sosi soso soss spcc spco spcs speb spec spee speg sper spes spgb spib spic spie spig spio spip spir spis spoc spoo spop spor spos spps spri spro sprs spse spso spsp spss srbc srcc sreb srec sreo sres srgb srib sris sros srpc srps srsp ssbr sscc ssce ssci sscp sscs ssec ssee ssep sses ssgs ssis ssoc ssop sspc sspe sspo ssps ssrc ssrg ssri ssrs sssb sssc sssi ssss