issr isss istc isti isto istp istr ists itbs itcs itic itis itoi itoo itor itos itpc itri itrs itsi itso itsp itto obbo obis obit oboi obor obos obot obri obro obsr obss obst obts ocbc occc occi occt ocis ocos ocpp ocro ocrr ocrs oct- octi octo octs oici oiii oios oipc oirt oisc oist oitc oiti oobi oocr oooo ooos oops oort oosi oost ootb ootp oots opic opii opio opis opit opo- opor opos oppi oppo opps opsi opti opto opts orbb orbi orbo orbs orci orco orcs ori- oric orio oris orit oro- oror oros orot orpc orpi orps orri orro orrs orsi orso ortc orto orts osbp oscc osci osco osii osip osis osoi osoo osor osos osro ossb ossi osso ostc osti ostr osts otbs otic otis otit oto- otoo otor otos otpp otro otrs otso otti otto otts pbcc pboc pbrs pbsp pcbc pcbs pccc pccs pcip pcos pcpb pcpp pcps pcrc pcso pcts pibb pibi picc pici pico picr pics pict piip piob piot pipi pipo pipp pips pirc piri piro pirr pirs pisi piso piss pist piti pito pitr pits pitt pobo pobs poco pocs poio pois poop poor poos poot pop- popc popi popo popp pops popt porb porc pori poro porr pors port posb posi poso poss post potc poti poto pots pott ppcc ppci ppcs ppib ppic ppos pppo pppp ppps pprc ppss ppts pptt prbc prbs prcc prcp prcs pri- prii pris pro- prob proc proo prop pros prot prps prri prrs prsc prsi prso prss prtc prti prtp prtr psbr psbt psci psco psip psis psoc psoi psos pspi pspp pspr psps psrp pssc psso psst psts ptcc ptop pttc rbbb rbbr rbbs rbis rbsp rbss rbst rcbc rcbo rccb rccc rccs rcic rcis rcos rcpi rcpo rcps rcpt rcsc rcsi rcss rctc rcti rcts rib- ribo ribs ricc rico rics rict riis rios riot ripi ripp ripr rips ript riri rirs risc risi riso risp riss rist riti rito rits ritt rob- robb robi robo robs robt rocc roco rocs roio roir rois roit roob rooi roop roor roos root ropo rops rorc rori roro rort rosc rosi roso rosp ross rost rotc roti roto rotr rots rott rpcs rpii rpob rpos rpps rpts rrrr rrsp rsbi rscc rscs rsis rsos rspb rspo rsps rstp rsts rtcc rtps rtss rttp rtts s-ib s-ic s-ii s-os sbbs sbcc sbcs sbct sbic sbor sbot sbsi sbsp sbst sbtc scbi sccc sccp sccs scct sci- scic scio scip scir scis scit scob scoo scop scor scot scpb scpi scpo scps scpt scr- scrc scri scrs scsc scsi scso scsr scst sctc scto sctr scts sibc sibi sibo sibs sicc sici sico sicp sics siit siop sior sios siot sipc sipi sipo sipp sips sipt sirc siri siro sirp sirr sirs sirt sisc sisi siss sist sit- sitc siti sito sits sitt sobo sobp sobr sobs sobt soci soco socr socs soic soir sois soit soop soor soos soot sopi sopo sopp sops sorb sori soro sorr sors sort sosi soso soss sost sotc soto sotp sots spcc spco spcs spib spic spio spip spir spis spit spoc spoo spop spor spos spot spps spri spro sprs spso spsp spss spst sptb sptc spto sptr spts srbc srcc srct srib sris sros srpc srps srpt srsp srtp srtr ssbr sscc ssci sscp sscs ssis ssit ssoc ssop ssot sspc sspo ssps sspt ssrc ssri ssrs sssb sssc sssi ssss sstb sstc sstp ssts stbc stbs stcc stcp stcs stib stic stio stip stir stis stit stob stoo stop stor stos stot stpp stps strc stri stro strs stsi stss sttc sttr tbbs tbcb tbcc tbit tbrb tbsp tbst tbtp tcbs tccc tcos tcpo tctc tcts tibi tibs ticc tico tics tiit tiop tios tip- tipc tipi tipo tipp tips tipt tirb tiri tiro tirr tirs tisb tisi tiso tiss tist titc titi tito titp tits titt tobi tobo tobs tobt toci toco tois toit toor toos toot top- topi topo topp tops topt torc tori toro torp torr tors tort tosb tosc tosi toso toss tost totc toti toto totr tots tott tpcp tpcs tpir tppp tppr tprs tpsc tptp tptr trcc tri- trib tric trio trip tris trit troc troi troo trop tros trot trpc trpp trps trsi trst trtc trtr tsbc tscc tscp tsis tsob tsoi tsop tsos tspo tsps tspt tssi tssr tsst tstc tsts ttbb ttcp ttop ttss tttt

-itis bbsrc bcbst bccip bibbo bibbs bibic bibio bibis bibos bibri bicsi bioci bioco bioss bipib biroc biros birrs birst birts bisco bispo bisto bitis bitit bitop bitti bitto bitts bo-bo bobbi boboc bobos bobr bobri bobst bobts bocci bocor boios boiro boist boito boobs booco booit boops boors boort boost boots bopis bopit borbo borci borcs boric borio boris boro- boroo boros borot borro borsi borst borts bosco boscs bosio bosor bossi bosso botis botos botro botti botts bpips bpost brico brics briot brisb brisi briss brist brito brits britt brobo brobs broos bross broto brrrr bscco btops btr-t c-cor c-p-c c-pop cbirs cbtis ccccc cccii cciii ccitt cibir cicis cipco cippi cipro cirbp circo circs ciric cirio ciris cirr- cirri cirro cirs- cisco cispp cispr cists citr- citro co-bo co-co co-op cobbs cobit cobot cocc- cocci cocco cocio cocir cocos cocto coips coiro coirs coist coops coopt coors coost coots copic copii copir copit copos coppi coppo copps copr- copro copsi copto copts corbi corbo corio coris coro- coroi corop corot corps corri corrs corsi corso corss corti corto corts cos-b cosbi cosco cosic cosio cost- costi costo costs cotos cotso cott- cotto cotts cpctc cribb cribo cribs crics crio- crips cript crisp criss crist crito crits croci croco crocs crois croop croos croot cropc cropo crops cross crost crots crott csobs cspot cspro csprs cssii cssip cstcc ctrip cttoi i-bot ibibo ibros icbrr icici icist icos- icosi icscc ictic ictis iiiii iiris iisir iitti iobit ioooi ioooo iorio iosco iotic iotit iotti