iisc iisd iisi iisp iisr iobi ioci iocp iod- iodd iode iodo ioee ioii ioio iooi iooo ioos iops iore iori iors ioso ipcc ipce ipcs ipdc ipdi ipec iper ipes ipid ipie ipod ipoe ipop ipos ippc ippo ippr ipri ipsc ipse ipsi ipso ipsp ipss irbe irbp ircc ircd ircs irdc irdo irdp irds ired iree irer ires iri- iric irid irie irio irip iris irob iroc irod irop irpc irpe irps irrc irre irri irrs irse irsp isbd isbe iscc iscd isci isco iscp iscr iscs isdb isdc isde isds iseb isec ised isee iseo isep iser ises isic isie isis iso- isoc isop isor isos ispc ispe ispr isps isri isrp issc isse issi isso issp issr isss o-eo obbo obec obed ober obes obid obie obis oboe oboi obor obos obre obri obro obsd obsr obss ocbc occc occi ocds oce oced ocee ocis ocos ocpd ocpp ocre ocro ocrr ocrs odbo odci oddd oddi odds oded odei odeo oder odes odic odie odio odir odis odoo odop odor odos odrp odso oec- oecc oedo oeds oeec oeid oeps oere oers oese oici oido oids oier oies oiii oios oipc oire oisc oisd oise oobe oobi oocr oodi ooer ooes ooid oooo ooos oops oord oore oose oosi opds opec oped 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 orde ordo ords ore- oreb orec ored oreo orer ores ori- oric orid orie orio oris oro- oroe oror oros orpc orpe orpi orps orri orro orrs orse orsi orso osbe osbp oscc osce osci osco osdi osec osed osee osei oser oses osie osii osip osis osoi osoo osor osos osrd osro ossb ossd osse ossi osso pbcc pbed pboc pbrs pbsp pcbc pcbs pccc pcce pccs pcep pcer pcip pcod pcoe pcos pcpb pcpp pcps pcrc pcrd pcre pcse pcso pdbs pdci pdcp pdes pdic pdoc pdos pdpr pdrc pdrs pdsd pdss pece peci peco pecr pecs ped- pede pedi pedo peds peec peed peep peer pees peio peip peir peis peor pepd pepe pepi pepo peps per- perc perd pere peri pero perp perr pers pese pesi peso pess pibb pibi picc pice pici pico picr pics pide pido pids pied piep pier pies piip piob pipe pipi pipo pipp pips pirc pire piri piro pirr pirs pisd pise pisi piso piss pobo pobs pocd poce poco pocs pod- podd pode podi podo pods poed poer poes poid poio pois pood poop poor poos pop- popc pope popi popo popp pops porb porc pore pori poro porr pors posb pose posi poso poss ppcc ppcd ppci ppcs ppds pper ppib ppic ppid ppie ppod ppos pppd pppo pppp ppps pprc ppss prbc prbs prcc prcd prcp prcs pre- preb prec pred pree prep pres pri- prid prie prii pris pro- prob proc prod proe proo prop pros prpd prps prrd prri prrs prsc prsd prse prsi prso prss psbd psbr psci psco psdc psdi psdp psdr psds pseb psec psei psid psip psis psoc psoi psos pspi pspp pspr psps psrd psrp pssc psse psso rbbb rbbr rbbs rbds rbis rbsd rbsp rbss rcbc rcbo rccb rccc rccs rcdc rcde rcds rcep rcic rcid rcis rcos rcpd rcpi rcpo rcps rcrd rcsc rcsd rcsi rcss rdbp rder rdio rdoc rdos rdpc rdso rebb rebe rebo rebs recc recd rece reci recp recr recs redc redd rede redi redo redr reds reeb reed reep rees reid reii reir reis reod reop reos repe repi repo repp repr reps rerd rere reri rero rers rese resi reso resp ress rib- ribe ribo ribs ricc rice rico rics ridc ridd ride ridi rido rids ried riep rier ries riis rios ripd ripe ripi ripp ripr rips rire riri rirs risc risd rise risi riso risp riss rob- robb robe robi robo robs rocc roce roco rocs rodd rode rodi rodo rods roed roer roes roid roio roir rois roob rood rooi roop roor roos rope ropo rops rorc rore rori roro rosc rose rosi roso rosp ross rpcs rpdp rpii rpob rpoe rpos rpps rred rrrr rrsp rsbi rscc rscs rsdd rsds rsee rsid rsis rsos rspb rspo rsps rsre s-ib s-ic s-ii s-os sbbs sbcc sbcs sbds sber sbic sbor sbsd sbse sbsi sbsp scbi sccc scce sccp sccs scdc scdp scds scec scee scep scer sci- scic scid scie scio scip scir scis scob scoo scop scor scpb scpe scpi scpo scps scr- scrc scre scri scrs scsc scsd scsi scso scsr sdcc sdco sddc sdds sdep sder sdes sdib sdic sdio sdpr sdps sdrc sdrs sdsc sdss se-c se-d se-e se-i se-o se-s sebe sebi sebo sebs sec- secc secd sece seco secr secs sede sedo seds seeb seec seed seep seer sees seid seie seii seip seir seis seoc seod seoi seop sepd sepe sepi sepo sepp sepr seps serb serc serd sere seri sero serp serr sers sesc sese sesi seso sess sibc sibe sibi sibo sibs sicc sice sici sico sicp sics sidd side sidi sido sidr sids siec sied sier sies siod sioe siop sior sios sipc sipe sipi sipo sipp sips sirc sire siri siro sirp sirr sirs sisc sisd sise sisi siss sobe sobo sobp sobr sobs soce soci soco socr socs sodd sode sodo sods soec soeo soep soes soic soie soir sois sood soop soor soos sopd sope sopi sopo sopp sops sorb sord sore sori soro sorr sors sose sosi soso soss spcc spco spcs spdc spde spdp spdr speb spec sped spee sper spes spib spic spie spio spip spir spis spoc spod spoo spop spor spos sppd spps sprd spri spro sprs spsd spse spso spsp spss srbc srcc srde sreb srec sreo sres srib sris sros srpc srps srsd srsp ssbr sscc ssce ssci sscp sscs ssdc ssdd ssdp ssec ssee ssep sses ssid ssis ssoc ssop sspc sspe sspo ssps ssrc ssri ssrs