-ic c-- ccc cci cck cco ccr cct ccu ccv ci- cic cii cik cio cir cit ciu civ ckc cki cko ckt co- coc coi cok coo cor cot cou cov crc cri crk cro crr crt cru crv ctc cti ctk cto ctr ctt ctu ctv cuc cui cuk cuo cur cut cuu cuv cvc cvi cvk cvo cvr cvt cvu cvv i-v icc ici ick ico icr ict icu icv iic iii iio iir iit iiu ikc iki ikk iko ikr ikt iku ikv io- ioc ioi ioo ior iot iou iov ir- irc iri irk iro irr irt iru irv itc iti itk ito itt itu itv iu- iuc iui iur iut ivc ivi ivo ivr ivt ivu ivv k-t kcc kci kck kcr kct kcu kic kii kik kio kir kit kiu kiv kkc kki kkk kkr kkt kku kkv koc koi kok koo kor kot kou krc kri krk kro krr krt kru krv ktc ktk kto ktr ktt ktu ktv kuc kui kuk kur kut kuu kvi kvk kvo kvr kvv o-i oc- occ oci ock oco ocr oct ocu ocv oic oii oik oio oir oit oiu oiv okc oki okk oko okr oku oo- ooc ooi ook ooo oor oot oov or- orc ori ork oro orr ort oru orv ot- otc oti otk oto otr ott otu otv ou- ouc oui ouk ouo our out ov- ovc ovi ovo ovv rcc rci rco rcr rct rcu rcv ric rii rik rio rir rit riv rkc rkk rko rkt rku rkv roc roi rok roo ror rot rou rov rrc rri rrk rrr rrt rru rtc rti rtk rto rtr rtt rtu rtv ruc rui ruk ruo rur rut ruu ruv rvc rvi rvo rvr rvt rvu rvv tcc tci tck tco tcr tct tcu tcv tic tii tik tio tir tit tiu tiv tkc tkk tko tkr tkt to- toc toi tok too tor tot tou tov trc tri trk tro trr trt tru trv ttc tti ttk tto ttr ttt ttu ttv tuc tui tuk tuo tur tut tuu tuv tvc tvi tvk tvo tvr tvt tvu ucc uci uck uco ucr uct ucu ucv uic uii uio uir uit uiu ukc uki ukk ukr uku uoc uok uoo uor uot ur- urc uri urk uro urr urt uru utc uti utk uto utr utt utu utv uuc uur uut uuu uvc uvo uvu uvv vcc vci vco vcr vct vcu vi- vic vii vik vio vir vit viu viv vkt voc voi vok voo vor vot vou vov vrc vri vrk vrr vrt vru vtc vti vtk vto vtr vtt vtu vtv vuk vur vut vuv vvc vvi vvo vvr vvt vvv