-er -ic -ji c-- c-j ccc cce cci ccj cco ccr ccs ccv ce- cec cee cei cej ceo cer ces cev ci- cic cie cii cij cio cir cis civ cjc cjr cjs co- coc coe coi coj coo cor cos cov crc cre cri crj cro crr crs crv csc cse csi csj cso csr css csv cvc cve cvi cvo cvr cvs cvv ec- ecc ece eci ecj eco ecr ecs ecv eec eee eeo eer ees eev eic eie eii eij eio eir eis eiv ejc eji ejo eo- eoc eoe eoi eoo eor eos erc ere eri ero err ers erv es- esc ese esi eso esr ess esv evc eve evi evo evr evs evv i-v icc ice ici icj ico icr ics icv ie- iec iee iei iej ier ies iev iic iie iii iij iio iir iis ijc ije iji ijo ijs ijv io- ioc ioe ioi ioj ioo ior ios iov ir- irc ire iri irj iro irr irs irv is- isc ise isi isj iso isr iss isv ivc ive ivi ivo ivr ivs ivv j-i jcc jce jci jco jcr jcs jec jee jei jej jeo jer jes jic jie jii jij jio jir jis jiv jjc jjj jjr jjs joc joe joi joj joo jor jos jrc jri jro jrr jrs jsc jse jsi jsj jso jsr jss jsv jvc jvi jvs o-i oc- occ oci ocj oco ocr ocs ocv oec oee oei oeo oer oes oic oie oii oio oir ois oiv ojc oje oji ojo ojs oo- ooc ooi ooo oor oos oov or- orc ore ori oro orr ors orv os- osc ose osi osj oso osr oss osv ov- ovc ove ovi ovo ovs ovv rcc rce rci rcj rco rcr rcs rcv re- rec ree rei reo rer res rev ric rie rii rio rir ris riv rjc rjr roc roe roi roj roo ror ros rov rrc rri rrr rrs rsc rse rsi rsj rso rsr rss rsv rvc rve rvi rvo rvr rvs rvv scc sce sci scj sco scr scs scv se- sec see sei sej seo ser ses sev sic sie sii sij sio sir sis siv sjc sje sji sjj sjr sjs soc soe soi soj soo sor sos sov sr- src sre sri srj sro srr srs srv ss- ssc sse ssi ssj sso ssr sss ssv svc sve svi svo svr svs svv v-e vcc vce vci vco vcr vcs vec vee vei veo ver ves vi- vic vie vii vij vio vir vis viv vjs voc voe voi voo vor vos vov vrc vre vri vrr vrs vsc vse vsi vso vsr vss vsv vvc vvi vvo vvr vvs vvv