-er -ic c-- ccc cce cci ccn cco ccr ccs ccu ccv ce- cec cee cei cen ceo cer ces ceu cev ci- cic cie cii cin cio cir cis ciu civ cn- cnc cne cni cnn cno cnr cns cnu cnv co- coc coe coi con coo cor cos cou cov crc cre cri crn cro crr crs cru crv csc cse csi csn cso csr css csu csv cuc cue cui cun cuo cur cus cuu cuv cvc cve cvi cvn cvo cvr cvs cvu cvv ec- ecc ece eci ecn eco ecr ecs ecu ecv eec eee een eeo eer ees eev eic eie eii ein eio eir eis eiu eiv en- enc ene eni enn eno enr ens enu env eo- eoc eoe eoi eon eoo eor eos eou erc ere eri ern ero err ers eru erv es- esc ese esi esn eso esr ess esu esv eu- euc eue eui eun eur eus euv evc eve evi evn evo evr evs evv i-v icc ice ici icn ico icr ics icu icv ie- iec iee iei ien ier ies iev iic iie iii iin iio iir iis iiu in- inc ine ini inn ino inr ins inu inv io- ioc ioe ioi ion ioo ior ios iou iov ir- irc ire iri irn iro irr irs iru irv is- isc ise isi isn iso isr iss isu isv iu- iuc iue iui iur ius ivc ive ivi ivo ivr ivs ivu ivv n-i ncc nce nci ncn nco ncr ncs ncu ncv ne- nec nee nei nen neo ner nes neu nev nic nie nii nin nio nir nis niu niv nnc nne nni nnn nno nns nnu nnv no- noc noe noi non noo nor nos nou nov nrc nre nri nrn nro nrr nrs nru nrv nsc nse nsi nsn nso nsr nss nsu nsv nuc nue nui nun nuo nur nus nuu nuv nvc nve nvi nvn nvu nvv o-i oc- occ oci ocn oco ocr ocs ocu ocv oec oee oei oen oeo oer oes oic oie oii oin oio oir ois oiu oiv on- onc one oni onn ono onr ons onu oo- ooc ooi oon ooo oor oos oov or- orc ore ori orn oro orr ors oru orv os- osc ose osi osn oso osr oss osu osv ou- ouc oue oui oun ouo our ous ov- ovc ove ovi ovo ovs ovv rcc rce rci rcn rco rcr rcs rcu rcv re- rec ree rei ren reo rer res reu rev ric rie rii rin rio rir ris riv rnc rni rnn rno rnr rns rnu rnv roc roe roi ron roo ror ros rou rov rrc rri rrn rrr rrs rru rsc rse rsi rsn rso rsr rss rsu rsv ruc rue rui run ruo rur rus ruu ruv rvc rve rvi rvn rvo rvr rvs rvu rvv scc sce sci scn sco scr scs scu scv se- sec see sei sen seo ser ses seu sev sic sie sii sin sio sir sis siu siv snc sne sni snn sno snr sns snu snv soc soe soi son soo sor sos sou sov sr- src sre sri srn sro srr srs srv ss- ssc sse ssi ssn sso ssr sss ssu ssv suc sue sui sun suo sur sus suu suv svc sve svi svn svo svr svs svu svv ucc uce uci ucn uco ucr ucs ucu ucv uec uee uei uen uer ues uic uie uii uin uio uir uis uiu un- unc une uni unn uno unr uns unu unv uoc uoe uon uoo uor uos ur- urc ure uri urn uro urr urs uru usc use usi usn uso usr uss usu usv uuc uue uun uur uus uuu uvc uve uvo uvs uvu uvv v-e vcc vce vci vcn vco vcr vcs vcu vec vee vei ven veo ver ves veu vi- vic vie vii vin vio vir vis viu viv vn- vni vno vnr vns vnu vnv voc voe voi von voo vor vos vou vov vrc vre vri vrn vrr vrs vru vsc vse vsi vsn vso vsr vss vsu vsv vue vur vus vuv vvc vvi vvo vvr vvs vvv