-er -ic -ji c-- c-j ccc cce cci ccj cck cco ccr ccv ce- cec cee cei cej cek ceo cer cev ci- cic cie cii cij cik cio cir civ cjc cjk cjr ckc cki cko co- coc coe coi coj cok coo cor cov crc cre cri crj crk cro crr crv cvc cve cvi cvk cvo cvr cvv ec- ecc ece eci ecj eck eco ecr ecv eec eee eek eeo eer eev eic eie eii eij eik eio eir eiv ejc eji ejo ekc eke eki eko ekr ekv eo- eoc eoe eoi eok eoo eor erc ere eri erk ero err erv evc eve evi evo evr evv i-v icc ice ici icj ick ico icr icv ie- iec iee iei iej iek ier iev iic iie iii iij iio iir ijc ije iji ijk ijo ijv ikc ike iki ikk iko ikr ikv io- ioc ioe ioi ioj ioo ior iov ir- irc ire iri irj irk iro irr irv ivc ive ivi ivo ivr ivv j-i jcc jce jci jck jco jcr jec jee jei jej jek jeo jer jic jie jii jij jio jir jiv jjc jjj jjk jjr jkk jko jkr jkv joc joe joi joj jok joo jor jrc jri jrk jro jrr jvc jvi kcc kce kci kck kcr ke- kec kee kei kek keo ker kev kic kie kii kij kik kio kir kiv kjc kje kji kjr kkc kke kki kkk kkr kkv koc koe koi kok koo kor krc kri krk kro krr krv kvi kvk kvo kvr kvv o-i oc- occ oci ocj ock oco ocr ocv oec oee oei oeo oer oic oie oii oik oio oir oiv ojc oje oji ojo okc oke oki okj okk oko okr oo- ooc ooi ook ooo oor oov or- orc ore ori ork oro orr orv ov- ovc ove ovi ovo ovv rcc rce rci rcj rco rcr rcv re- rec ree rei rek reo rer rev ric rie rii rik rio rir riv rjc rjk rjr rkc rke rkk rko rkv roc roe roi roj rok roo ror rov rrc rri rrk rrr rvc rve rvi rvo rvr rvv v-e vcc vce vci vco vcr vec vee vei vek veo ver vi- vic vie vii vij vik vio vir viv voc voe voi vok voo vor vov vrc vre vri vrk vrr vvc vvi vvo vvr vvv