-ing cccc ccci cccs cccu ccgc ccgs ccgt ccic ccii ccir ccis ccnc ccni ccnr ccns ccnu ccrc ccrg ccri ccrs ccrt ccsg ccsi ccsn ccss ccst cctc cctt ccuc ccus ccut cgcc cgcg cggs cgis cgns cgss cgst cgtu cicc cici cicr cics cict cicu cigi cigs cigu ciii ciis ciit cin- cinc cing cini cint circ ciri cirr cirs cirt cis- cisc cisn cisr ciss cist citg citi cits citt citu ciuc cius cnci cngi cnic cnrc cnrr cnrt cnss cntc cntr cnut crcc crcr crgs cric crig crin cris crit criu crns crrt crss crst crtc crts crug crun crus crut cscc csci cscr cscs csgn csir csis csit csrc csrs cssr cstc cstg cstr csts csur csus ctgu ctic ctns ctrc ctrn ctrs ctsc ctsn ctss ctsu cttn ctts cucc cuci cucn cui- cuin cuir cuis cuit cunt curi curn curr curs curt cusg cuss cust cusu cut- cutc cuts cutt gc-c gccc gccs gcic gcii gcrg gcss gcst gcsu gctc gcts gggg ggrn ggss gicr gigg gigi gign gigs giis ging gini ginn gins ginu girg giri girn girr girs girt giru giss gist gits giur gius gncc gngc gnin gnit gnrc gnrr gnti gnus grcc gric grig grin gris grit grni grrr grrs grss grtc grug grui grun grur grus grut gsis gstr gsur gtcr gtcs guci gugg gugi gugu guin guis gung gunn guns gunt gurg guri gurn gurr gurs gurt guru guss gust guti guts gutt gutu guus iccc icci iccn iccr iccs icct iccu icgc icis icnc icns icrc icrr icrs icrt icru icsc icsi icsr icss icst icts icus igcc iggs igis igni igns ignu igri igus iiii iiis iiit iirc iirs iisc iisi iisr iist iisu iitr iitt iiuc inci incr incs ings inig inis init inni innr inns innu inri inrs insc inss inst insu intg inti intn intr ints intu inui inun inus ircc ircg ircs ircu irgs iri- iric irig irin iris irrc irri irrs irsg irti irts irun irus iscc isci iscn iscr iscs isct iscu isgc isic isin isis isit isnt isrg isri issc issi issr isss issu istc isti istr ists isus itcs itgc itgs itic itin itis itri itrs itsi itsu itur iucc iugs iuiu iuss iust n-ii nccc ncci nccn nccr nccs ncct nccu ncgr ncgs ncis ncit ncnc ncrc ncri ncsc ncsi ncss ncst nctc nctr ngic ngns ngri ngsn ngtn ngts ngur nguu nicc nici nics nicu nigc nigg nigs nigt niir niit niiu ning nini nins nirs nirt niru nisi niss nist nisu nitc niti nitr nits niur nngn nnit nnnn nnss nntn nrcs nric nrrc nrsc nrts nscc nscs nsic nsin nsis nsnr nsrc nssc nssr nsss nstc nsts nstu ntcc ntis ntnu ntrc ntru ntsc ntss ntsu nttr ntuc ntui nuci nucs nucu nugs nuin nuit nunc nung nunn nuns nunt nurc nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu rccc rccs rcgc rcic rcis rcnr rcrg rcsc rcsi rcss rctc rctg rcti rcts rgit rgtr rgts ricc rics rict rigg rigi rigs rigu riin riis ring rinn riri rirs risc risi riss rist risu riti rits ritt ritu rius rncs rngs rnin rnnt rnut rrrr rrun rscc rscn rscs rsgc rsis rsnn rsnr rsts rstu rtcc rtcg rtgs rtns rtss rtts ruci ruct rugg rugi rugs ruin ruis ruit runc rung runi runn runs runt rurc ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruun s-ic s-ii sccc sccs scct scgs sci- scic scin scir scis scit scnr scnt scr- scrc scri scrn scrs scsc scsi scsn scsr scst scsu sctc sctn sctr scts scug scun scur scut sgcg sggg sggs sgic sgss sgts sicc sici sics sicu sigg sigi sign sigs siit sing sini sinn sins sint sinu sirc siri sirr sirs sirt siru sisc sisi siss sist sisu sit- sitc siti sitn sits sitt situ siui sius siut sncc snig snir snit snns snrs sntr snug snur snus srcc srct sris srni srnn srtr sscc ssci sscs ssgs ssgt ssin ssis ssit ssns ssrc ssrg ssri ssrs sssc sssi ssss sstc ssts stcc stcs stcu stgr stic stig stir stis stit stng stnn stnr stns strc stri strn strs stru stsi stss sttc sttr stuc stug stun stur stus stut suc- succ suci sucr sucs sug- sugg sugi suig suin suir suis suit sun- sung suni sunn suns sunt sunu sur- surc surg suri surn surr surs surt suru sus- susi suss sust susu suti sutu suus tccc tccu tcnn tctc tcts tgcc tgtc tgts ticc tics tigi tigr tigs tiit tiiu tinc ting tini tinn tins tint tinu tiri tirr tirs tiru tisi tiss tist titc titi tits titt titu tncc tngs tnts tnut trcc tri- tric trig trin tris trit trng trsi trst trtc trtr truc trug trun trus trut truu tscc tscg tsgt tsig tsin tsis tssg tssi tssr tsst tstc tsts tsui tsun ttcn ttss tttt tucc tugg tugs tugu tuig tuin tuis tuit tuiu tunc tung tuni tunn tuns tunu turc turg turi turn turr turs turt turu tusc tusi tuss tust tuti tuts tutt tutu ucci ucin ucrc ucsc ucst ucsu ucut ugcc ugcg uggs uggt ugis ugni ugri ugur uguu uint uirr uist uits uncc uncg unci uncs unct ungu uni- unic unii unin unir unis unit unni unns unrs uns- unsc unsg unst unts unus unut urci urgi urgu uric urin uris uriu urni urns urri ursi urss ursu urts urun urur urus urut uscc uscg uscs usin usis usnc usnr usnu ussc ussr usss usst ussu ustc usti usts usui usun usus utin utis utri utsc utti uttu utug uuni uuri uusi uuuu