-ing cccc ccci cccp cccs ccgc ccgs ccgt ccic ccii ccip ccir ccis cciw ccnc ccni ccnp ccnr ccns ccpn ccpp ccpr ccps ccrc ccrg ccri ccrp ccrs ccrt ccsg ccsi ccsn ccsp ccss ccst cctc cctt cgcc cgcg cggs cgis cgns cgss cgst cgtp cicc cici cicr cics cict cigi cigs ciii ciis ciit cin- cinc cing cini cint cinw cipp cips circ ciri cirr cirs cirt cis- cisc cisn cisp cisr ciss cist citg citi citp cits citt ciws ciww cnci cncp cngi cnic cnrc cnrr cnrt cnss cntc cntr cpcs cpic cpni cpns cpnt cpps cpri cprs cprt cpsc cpsr cptp cptr cpts crcc crcr crgs cric crig crin crip cris crit crns crpc crps crrt crsp crss crst crtc crtp crts cscc csci cscr cscs csgn csir csis csit csnp cspc cspi csps cspt csrc csrs cssr cstc cstg cstr csts csws ctcp ctic ctns ctpp ctps ctrc ctrn ctrp ctrs ctsc ctsn ctss cttn ctts cttw cwis cwrw cwts gc-c gccc gccs gcic gcii gcpc gcrg gcss gcst gctc gcts gggg ggrn ggss gicr gigg gigi gign gigs giis ging gini ginn gins gipi gipp gips girg giri girn girr girs girt giss gist gits giws gncc gngc gnin gnip gnit gniw gnpc gnps gnrc gnrr gnti gntp gpgp gpip gprp gprs gpsg gpsi gpss grcc gric grig grin grip gris grit grni grpc grps grrr grrs grss grtc gscp gsis gspc gspt gstr gswr gtcr gtcs gtip gtnw gwcc gwic gwin gwis gwpp gwtw gwwr iccc icci iccn iccp iccr iccs icct icgc icis icnc icns icpc icps icrc icrr icrs icrt icrw icsc icsi icsp icsr icss icst ictp icts icws igcc igcp iggs igis igni igns igri igsp iiii iiis iiit iirc iirs iisc iisi iisp iisr iist iitr iitt iiwi inci incr incs ings inig inis init inni innr inns inp- inpi inpp inpt inri inrs insc insp inss inst intg inti intn intp intr ints inw- inwi ipcc ipcs ipct ipin ippc ippr ipri ipsc ipsi ipsp ipss ipsw iptc ipts ircc ircg ircs irgs iri- iric irig irin irip iris irpc irps irrc irri irrs irsg irsp irti irtp irts iscc isci iscn iscp iscr iscs isct isgc isic isin isis isit isnt ispc ispr isps ispw isrg isri isrp issc issi issp issr isss istc isti istp istr ists iswc iswn itcs itgc itgs itic itin itis itpc itri itrs itsi itsp iwcc iwgc iwgp iwig iwin iwis iwiw iwpr iwps n-ii nccc ncci nccn nccp nccr nccs ncct ncgr ncgs ncip ncis ncit ncnc ncpc ncrc ncri ncrp ncsc ncsi ncss ncst nctc nctr ncwc ngic ngns ngpc ngri ngsn ngtn ngts nicc nici nics nigc nigg nigs nigt niip niir niit ning nini nins nipc nipr nips nipt nirs nirt nisi nisp niss nist nitc niti nitr nits nngn nnit nnnn nnpi nnpr nnss nntn npcc npic npin nppc npri nprt npss nptc nptn npws nrcs nric nrpc nrpn nrps nrrc nrsc nrsp nrts nscc nscs nsic nsin nsis nsnr nspc nspi nsps nsrc nssc nssp nssr nsss nstc nstp nsts nswp nswr ntcc ntis ntpc ntrc ntsc ntss nttr ntwt nwpp nwss nwst pccc pccs pccw pcgg pcgs pcin pcip pcns pcnt pcpn pcpp pcps pcrc pcts pgcc pgrc pgsc pgss picc pici picr pics pict pigc pigg pign pigp pigs pigt piip pinc ping pini pinn pinp pins pint pipi pipp pips pirc pirg piri pirn pirr pirs pisg pisi piss pist piti pitr pits pitt piwi pnic pnin pnpp pnsc pntr pnwr ppcc ppci ppcs ppgi ppic ppig pppn pppp ppps pprc ppss pptn ppts pptt prcc prcp prcs prgs pri- prig prii prin pris prnp prps prri prrs prsc prsi prss prtc prti prtp prtr psci psgi psgr psip psis psnc psni psnr pspi pspp pspr psps psrp pssc psst psts ptcc ptgs pttc pwns pwnt pwts rccc rccs rcgc rcic rcis rcnr rcpi rcps rcpt rcrg rcsc rcsi rcss rctc rctg rcti rcts rcwp rgit rgtr rgts ricc rics rict rigg rigi rigs riin riis ring rinn ripi ripp ripr rips ript riri rirs risc risi risp riss rist riti rits ritt rncp rncs rngs rnin rnnt rnsp rntp rpcs rpgs rpii rppn rpps rptn rpts rrrr rrsp rscc rscn rscs rsgc rsis rsnn rsnr rsps rstp rsts rtcc rtcg rtgs rtns rtps rtss rttp rtts rwcs s-ic s-ii sccc sccp sccs scct scgp scgs sci- scic scin scip scir scis scit scnr scnt scpi scps scpt scr- scrc scri scrn scrs scsc scsi scsn scsr scst sctc sctn sctr scts sgcg sggg sggs sgic sgps sgss sgts sicc sici sicp sics sigg sigi sign sigs siit sing sini sinn sinp sins sint sipc sipi sipp sips sipt sirc siri sirp sirr sirs sirt sisc sisi siss sist sit- sitc siti sitn sits sitt siwi sncc sncp snig snip snir snit sniw snns snpg snpp snrs sntr spcc spcs spgt spic spig spin spip spir spis spit spns spps spri sprs spsp spss spst sptc sptr spts srcc srct sris srni srnn srpc srps srpt srsp srtp srtr sscc ssci sscp sscs ssgs ssgt ssin ssis ssit ssns sspc ssps sspt ssrc ssrg ssri ssrs sssc sssi ssss sstc sstp ssts ssws stcc stcp stcs stgr stic stig stip stir stis stit stng stnn stnr stns stpp stps strc stri strn strs stsi stss sttc sttr swcc swgr swic swig swip swir swis swit swnt swss swtg swts tccc tcnn tctc tcts tgcc tgtc tgts ticc tics tigi tigr tigs tiit tinc ting tini tinn tins tint tip- tipc tipi tipp tips tipt tiri tirr tirs tisi tiss tist titc titi titp tits titt tiwi tncc tngs tnsp tnts tpcp tpcs tpir tppp tppr tprs tprw tpsc tptp tptr tpws trcc tri- tric trig trin trip tris trit trng trpc trpg trpn trpp trps trsi trst trtc trtr tscc tscg tscp tsgt tsig tsin tsis tspn tsps tspt tssg tssi tssr tsst tstc tsts ttcn ttcp ttss tttt twi- twic twig