cccc cccm cccs cccu ccgc ccgs ccgt cckm ccmc ccmm ccms ccrc ccrg ccrs ccrt ccsg ccss ccst cctc cctt ccuc ccus ccut cgcc cgcg cggs cgmc cgsm cgss cgst cgtu ckck ckcm ckcs ckgm ckrc ckrm ckst ckts cmcc cmcs cmmc cmms cmrr cmrs cmsc cmst cmtc cmtu cmus crcc crcr crgs crkc crms crrt crss crst crtc crtm crts crug cruk crum crus crut cscc cscr cscs csks csmc csmu csrc csrs cssm cssr cstc cstg cstm cstr csts csum csur csus ctgu ctrc ctrm ctrs ctsc ctss ctsu ctts cucc cuck cucm cuk- cum- cums cumt curr curs curt cusg cusk cuss cust cusu cut- cutc cuts cutt gc-c gccc gccs gcmc gcms gcrg gcss gcst gcsu gctc gcts gggg ggss gmcs gmmr gmrs grcc grmt grrr grrs grsm grss grtc grug grum grur grus grut gstr gsur gtcr gtcs gtsm guck gugg gugu gumm gums gurg gurk gurr gurs gurt guru guss gust guts gutt gutu guus kccc kcck kccr kcct kccu kcgc kcgm kcgr kcgs kckc kckk kckm kckr kcmc kcmg kcmk kcmm kcmr kcms kcmt kcrc kcrg kcrr kcrs kcrt kcru kcsc kcsg kcsm kcsr kcss kcst kcsu kctc kctu kcuk kgcc kgcr kggg kggm kggr kgks kgmc kgms kgmt kgrc kgrg kgrk kgrm kgrr kgrs kgrt kgsr kgst kgtk kgtm kgts kgum kgus kkck kkcm kkcr kkcs kkct kkgm kkgr kkkk kkmc kkmg kkmk kkmr kkms kkmt kkrc kkrk kkrr kkrs kkrt kksm kksr kkss kkst kksu kktc kktk kkts kktu kkus kkut kkuu kmcc kmcm kmcr kmcs kmcu kmgc kmgk kmgm kmgr kmgt kmgu kmkk kmks kmkt kmmg kmmk kmmm kmmr kmms kmmt kmrc kmrr kmrs kmsc kmsr kmss kmst kmsu kmtc kmtg kmtk kmtr kmts kmtt kmuc kmur kmus krcc krcg krcm krcs krcu krgs krgt krkc krkk krkr krks krku krmc krmg krmr krms krmt krrc krrg krrk krrm krrr krrs krrt krsc krsk krsr krss krst krsu krtc krtk krtm krtr krts kruc krug kruk krum krur ksck kscm kscr kscs kscu ksgc ksgg ksgm ksgr ksgt ksgu kskg kskk kskr ksks ksku ksmc ksmg ksmm ksmr ksms ksmt ksmu ksrg ksrm ksrr ksrs ksrt kssm kssr ksss ksst kssu kstc kstk kstm kstr ksts kstt kstu ksug ksum ksut ksuu ktcc ktck ktcm ktcr ktcs ktgg ktgm ktgr ktgs ktkc ktkk ktkr ktks ktkt ktku ktmc ktmg ktmk ktmm ktmr ktms ktmt ktmu ktrc ktrg ktrk ktrm ktrr ktrs ktrt ktru ktsc ktsm ktsr ktst ktsu kttc kttg kttk kttr ktts kttt kttu ktuc ktug ktum kucc kucr kugr kugs kukk kuks kuku kumm kumr kumt kumu kurk kurm kurr kurs kurt kuru kusc kusg kust kusu kutr kuts kutt kutu kuuk kuur kuuu mccc mckk mcmc mcmt mcrc mcss mcst mctc mctk mcts mctu mcug mgmt mgrm mgrs mgsm mgtk mgts mgus mkks mksm mktg mkts mmcc mmcg mmcm mmcs mmct mmmc mmmm mmms mmrc mmsc mmst mmsu mmts mmus mr-c mrcc mrcs mrkr mrmc mrrc mrsc mrtm mrts mrtt mruk mscc msgr msgs msgt msmc msmm msms msmu msrt mssg mssm mssr msst mstc mstr msts msus mtcr mtgs mtrc mtrr mtss mtst mttr mtts mtuc muc- mucc muck mucu mugg mugs mugu mumm mums mumu murc murg murk murr murs murt muru musc musk muss must musu muts mutt mutu muut rccc rccs rcgc rcms rcrg rcsc rcss rctc rctg rcts rgtr rgts rkss rkts rmrg rmsc rmst rmtu rrkm rrmc rrrr rrum rscc rscs rsgc rsmg rsts rstu rsum rtcc rtcg rtcm rtgs rtkg rtmc rtms rtss rtts ruck ruct rugg rugs rukk ruku rumm rums rumt rurc rurs ruru rusk russ rust rusu ruts rutt rutu sccc sccm sccs scct scgs sck- scmc scmm scms scr- scrc scrs scsc scsr scst scsu sctc sctr scts scug scum scur scut sgcg sggg sggs sgsm sgss sgts skrt skss skum skur skut smcc smgs smrk smrt smsc smss smtc smtu smug smur smus smut srcc srct srmc srtr sscc sscs ssgs ssgt ssmc ssrc ssrg ssrm ssrs sssc sssm ssss sstc ssts stcc stcs stcu stgr stks stmc stms stmt strc strk strs stru stsm stss sttc sttr stuc stug stuk stum stur stus stut suc- succ suck sucr sucs sug- sugg suks suku sum- sums sumu sur- surc surg surr surs surt suru sus- susk suss sust susu sutu suum suus tccc tccu tctc tcts tgcc tgtc tgts tkkg tkts tmcc tmcm tmmk tmsc tmtt trcc trmk trms trmu trst trtc trtr truc trug truk trus trut truu tscc tscg tsgt tsks tsmc tssg tssm tssr tsst tstc tstm tsts tsum ttkg ttms ttss tttt tucc tuck tugg tugs tugu tuks tums tumu turc turg turk turm turr turs turt turu tusc tusk tusm tuss tust tuts tutt tutu tuum ucmc ucrc ucsc ucsm ucst ucsu ucut ugcc ugcg uggs uggt ugur uguu ukcc ukrc uksc uksg ukum ukur ummg umms umsu umts umus umut urgu urss ursu urts uruk urum urur urus urut us-k uscc uscg uscm uscs usmc usmm usms ussc ussr usss usst ussu ustc ustm usts usus utsc uttu utug uuuu