-er c-- ccc cce ccg ccn cco ccr ccu ccv ce- cec cee ceg cen ceo cer ceu cev cgc cge cgg cgn cgo cgr cgu cgv cn- cnc cne cng cnn cno cnr cnu cnv co- coc coe cog con coo cor cou cov crc cre crg crn cro crr cru crv cuc cue cug cun cuo cur cuu cuv cvc cve cvg cvn cvo cvr cvu cvv ec- ecc ece ecg ecn eco ecr ecu ecv eec eee eeg een eeo eer eev egc ege egg egn ego egr egu en- enc ene eng enn eno enr enu env eo- eoc eoe eog eon eoo eor eou erc ere erg ern ero err eru erv eu- euc eue eug eun eur euv evc eve evg evn evo evr evv gcc gce gcg gcn gco gcr gcu ge- gec gee geg gen geo ger geu gev ggc ggg ggn ggo ggr ggu ggv gnc gne gnn gno gnr gnu gnv goc goe gog gon goo gor gou gov grc gre grg grn gro grr gru grv gu- guc gue gug gun guo gur guu guv gvc gve gvg gvn gvo gvr gvu ncc nce ncg ncn nco ncr ncu ncv ne- nec nee neg nen neo ner neu nev ngc nge ngg ngn ngo ngu nnc nne nng nnn nno nnu nnv no- noc noe nog non noo nor nou nov nrc nre nrg nrn nro nrr nru nrv nuc nue nug nun nuo nur nuu nuv nvc nve nvg nvn nvu nvv oc- occ ocg ocn oco ocr ocu ocv oec oee oeg oen oeo oer ogc oge ogg ogn ogo on- onc one ong onn ono onr onu oo- ooc oog oon ooo oor oov or- orc ore org orn oro orr oru orv ou- ouc oue oun ouo our ov- ovc ove ovo ovv rcc rce rcg rcn rco rcr rcu rcv re- rec ree reg ren reo rer reu rev rgc rge rgg rgn rgo rgr rgv rnc rng rnn rno rnr rnu rnv roc roe rog ron roo ror rou rov rrc rrg rrn rrr rru ruc rue rug run ruo rur ruu ruv rvc rve rvg rvn rvo rvr rvu rvv ucc uce ucg ucn uco ucr ucu ucv uec uee ueg uen uer ugc uge ugg ugn ugo ugr ugu un- unc une ung unn uno unr unu unv uoc uoe uog uon uoo uor ur- urc ure urg urn uro urr uru uuc uue uug uun uur uuu uvc uve uvo uvu uvv v-e vcc vce vcn vco vcr vcu vec vee veg ven veo ver veu vgc vgg vgn vgo vgr vgu vn- vng vno vnr vnu vnv voc voe vog von voo vor vou vov vrc vre vrg vrn vrr vru vue vug vur vuv vvc vvg vvo vvr vvv