-ic c-- ccc ccf cci cck cco ccr cct ccv cfc cff cfi cfk cfo cfr cft cfv ci- cic cif cii cik cio cir cit civ ckc cki cko ckt co- coc cof coi cok coo cor cot cov crc crf cri crk cro crr crt crv ctc ctf cti ctk cto ctr ctt ctv cvc cvf cvi cvk cvo cvr cvt cvv fcc fcf fci fck fco fcr fct fcv ffc fff ffi ffk ffo ffr fft ffv fic fif fii fik fir fit fkc fkf fki fkk fkt foc fof foi fok foo for fot frc frf fri frk fro frr frt ftc ftf fti ftk fto ftr ftt ftv fvc fvk fvt i-f i-v icc icf ici ick ico icr ict icv ifc iff ifi ifo ifr ift iic iif iii iio iir iit ikc ikf iki ikk iko ikr ikt ikv io- ioc iof ioi ioo ior iot iov ir- irc irf iri irk iro irr irt irv itc itf iti itk ito itt itv ivc ivf ivi ivo ivr ivt ivv k-t kcc kci kck kcr kct kfc kff kfi kfo kic kif kii kik kio kir kit kiv kkc kki kkk kkr kkt kkv koc kof koi kok koo kor kot krc krf kri krk kro krr krt krv ktc ktf ktk kto ktr ktt ktv kvi kvk kvo kvr kvv o-i oc- occ ocf oci ock oco ocr oct ocv of- ofc off ofi ofo ofr oft ofv oic oif oii oik oio oir oit oiv okc oki okk oko okr oo- ooc oof ooi ook ooo oor oot oov or- orc orf ori ork oro orr ort orv ot- otc otf oti otk oto otr ott otv ov- ovc ovf ovi ovo ovv rcc rcf rci rco rcr rct rcv rfc rff rfi rfk rfo rfr rft rfv ric rif rii rik rio rir rit riv rkc rkf rkk rko rkt rkv roc rof roi rok roo ror rot rov rrc rrf rri rrk rrr rrt rtc rtf rti rtk rto rtr rtt rtv rvc rvf rvi rvo rvr rvt rvv tcc tcf tci tck tco tcr tct tcv tfc tff tfi tfk tfo tfr tft tic tif tii tik tio tir tit tiv tkc tkk tko tkr tkt to- toc tof toi tok too tor tot tov trc trf tri trk tro trr trt trv ttc ttf tti ttk tto ttr ttt ttv tvc tvf tvi tvk tvo tvr tvt vcc vcf vci vco vcr vct vfc vff vfi vfr vft vfv vi- vic vif vii vik vio vir vit viv vkt voc vof voi vok voo vor vot vov vrc vrf vri vrk vrr vrt vtc vti vtk vto vtr vtt vtv vvc vvi vvo vvr vvt vvv

cccc cccf ccci cccv ccfc ccff ccfi ccic ccii ccir cciv ccoc ccrc ccrf ccri ccrt cctc cctt cctv ccvi ccvo cfcf cfco cffr cfit cfor cfrt cftc cftk cftr cicc cici cico cicr cict ciff ciii ciit ciko cikr cior circ ciri cirk ciro cirr cirt citf citi cito citt citv civc civo ckck ckco ckcv ckfi ckfr ckoc ckoi ckoo ckor ckot ckrc ckvo cock coco coct cofc coff cofi coft coif coir coit cok- coko coof cook coot cor- corc corf cori cork coro corr cort cotc coti coto cott covo crcc crcr crfc cric crif crik crit crkc croc crok croo cror crot crrt crtc crtf crtv ctcf ctfc ctfo ctic ctor ctot ctrc ctvo ctvt cvcc cvfr cvii cvrr f--k fccf fcic fcii fcot fcto ffcc ffff ffii ffrr fftf ficc fick fico fict fifc fiff fifi fifo fift fiii fiki fior firk fitc fiti fitt foci fock foco fofo foki foof fook foot for- fori fork foro forr fort foti foto fott fr-v frcc frfc fric frik frio frit frot frvt ft-c ftfc ftii iccc iccf icci icco iccr icct icoc icor icrc icrf icrr icrt ictv ifco ific ifit ifor ifrf ifri ifto iiii iiio iiit iioi iioo iirc iitr iitt ikki ikko ikoo ikri ioci iofc ioii ioio ioit ioko ioof iooi iooo iori iotf ioto ircc iri- iric irio irki iroc irov irrc irri irtf irti itic itif itko itof itoi itoo itor itrf itri ittf itto ivcf ivic ivor k-ci kccc kcci kcck kccr kcct kccv kcfc kcfi kcfo kcft kcfv kcic kcif kcii kcir kcit kciv kckc kckf kckk kcko kckr kckv kcof kcor kcot kcrc kcri kcro kcrr kcrt kcrv kctc kcti kcto kctv kcvi kcvk kcvo kcvr kcvv kfcf kfco kfcr kfff kffk kffv kfio kfir kfit kfiv kfok kfoo kfor kfrc kfri kfro kfrr kftc kfti kftk kftt kfvr kicc kick kicr kict kiff kifr kift kiic kiii kiik kiit kikc kikf kiki kikk kiko kikr kikt kioc kioi kiok kioo kiot kirc kirf kiri kirk kiro kirr kirt kirv kitc kiti kito kitr kitt kitv kivi kkci kkck kkco kkcr kkct kkfi kkfr kkft kkic kkik kkit kkkk kkoo kkor kkot kkov kkrc kkrf kkrk kkro kkrr kkrt kkrv kktc kktk kktv kkvr kkvt kkvv kocf koci kock koct kofc koff kofi kofk kofo koft koii koir koit koiv kokc kokf koki kokk koko kokr kooc kooi kook kooo koor koot koov korc korf kori kork koro korr kort korv kotc koti kotk koto kotr kott kotv kovc kovi kovk kovo kovr krcc krci krco krfc krff krfo krft krik krio krit kriv krkc krki krkk krko krkr krkv kroc krof kroi krok kroo kror krov krrc krrf krri krrk krro krrr krrt krtc krti krtk krto krtr krtv krvc krvf krvi krvk krvo krvr krvv ktcc ktck ktco ktcr ktcv ktfc ktfi ktfo ktic ktik ktiv ktkc ktkk ktko ktkr ktkt ktoc ktok ktoo ktor ktot ktrc ktrf ktri ktrk ktro ktrr ktrt ktrv kttc kttf ktti kttk ktto kttr kttt kttv ktvc ktvf ktvi ktvk ktvo ktvr ktvt kvcc kvcf kvci kvck kvco kvcr kvct kvcv kvfc kvic kvik kvir kvit kviv kvoc kvoi kvok kvoo kvor kvot kvov kvrc kvrf kvri kvro kvrr