-er -ic c-- ccc cce cci cco ccr ccs ccu ccv ce- cec cee cei ceo ceq cer ces ceu cev ci- cic cie cii cio ciq cir cis ciu civ co- coc coe coi coo coq cor cos cou cov cqc cqi cqo cqs crc cre cri cro crq crr crs cru crv csc cse csi cso csq csr css csu csv cuc cue cui cuo cuq cur cus cuu cuv cvc cve cvi cvo cvr cvs cvu cvv ec- ecc ece eci eco ecq ecr ecs ecu ecv eec eee eeo eer ees eev eic eie eii eio eir eis eiu eiv eo- eoc eoe eoi eoo eoq eor eos eou eqe eqq eqs equ eqv erc ere eri ero erq err ers eru erv es- esc ese esi eso esq esr ess esu esv eu- euc eue eui eur eus euv evc eve evi evo evr evs evv i-v icc ice ici ico icq icr ics icu icv ie- iec iee iei ier ies iev iic iie iii iio iir iis iiu io- ioc ioe ioi ioo ior ios iou iov iqc iqe iqs iqu ir- irc ire iri iro irq irr irs iru irv is- isc ise isi iso isq isr iss isu isv iu- iuc iue iui iur ius ivc ive ivi ivo ivr ivs ivu ivv o-i oc- occ oci oco ocr ocs ocu ocv oec oee oei oeo oer oes oic oie oii oio oir ois oiu oiv oo- ooc ooi ooo oor oos oov oqo or- orc ore ori oro orr ors oru orv os- osc ose osi oso osq osr oss osu osv ou- ouc oue oui ouo our ous ov- ovc ove ovi ovo ovs ovv qcc qci qco qcs qec qee qeo qic qie qio qir qis qiu qoi qoo qor qos qqq qqu qrc qre qri qrs qru qsc qsi qso qsr qu- que qui quo qur qus qv- qvc qve rcc rce rci rco rcr rcs rcu rcv re- rec ree rei reo req rer res reu rev ric rie rii rio riq rir ris riv roc roe roi roo ror ros rou rov rqc rqs rrc rri rrq rrr rrs rru rsc rse rsi rso rsq rsr rss rsu rsv ruc rue rui ruo rur rus ruu ruv rvc rve rvi rvo rvr rvs rvu rvv scc sce sci sco scr scs scu scv se- sec see sei seo seq ser ses seu sev sic sie sii sio siq sir sis siu siv soc soe soi soo soq sor sos sou sov sqi sqq sqr sqs sr- src sre sri sro srq srr srs srv ss- ssc sse ssi sso ssq ssr sss ssu ssv suc sue sui suo suq sur sus suu suv svc sve svi svo svq svr svs svu svv ucc uce uci uco ucr ucs ucu ucv uec uee uei uer ues uic uie uii uio uiq uir uis uiu uoc uoe uoo uor uos ur- urc ure uri uro urr urs uru usc use usi uso usr uss usu usv uuc uue uur uus uuu uvc uve uvo uvs uvu uvv v-e vcc vce vci vco vcr vcs vcu vec vee vei veo ver ves veu vi- vic vie vii vio vir vis viu viv voc voe voi voo voq vor vos vou vov vrc vre vri vrr vrs vru vsc vse vsi vso vsr vss vsu vsv vue vur vus vuv vvc vvi vvo vvr vvs vvv