-er -ic -up c-- ccc cce ccg cci cco ccp ccr ccs cct ccu ce- cec cee ceg cei ceo cep cer ces cet ceu cgc cge cgg cgi cgo cgp cgr cgs cgt cgu ci- cic cie cig cii cio cip cir cis cit ciu co- coc coe cog coi coo cop cor cos cot cou cpc cpe cpg cpi cpo cpp cpr cps cpt cpu crc cre crg cri cro crp crr crs crt cru csc cse csg csi cso csp csr css cst csu ctc cte ctg cti cto ctp ctr cts ctt ctu cuc cue cug cui cuo cup cur cus cut cuu ec- ecc ece ecg eci eco ecr ecs ect ecu eec eee eeg eeo eep eer ees eet egc ege egg egi ego egp egr egs egt egu eic eie eig eii eio eip eir eis eit eiu eo- eoc eoe eog eoi eoo eop eor eos eot eou ep- epc epe epg epi epo epp epr eps ept epu erc ere erg eri ero erp err ers ert eru es- esc ese esg esi eso esp esr ess est esu etc ete etg eti eto etp etr ets ett etu eu- euc eue eug eui eup eur eus eut g-p gcc gce gcg gci gco gcp gcr gcs gct gcu ge- gec gee geg gei geo gep ger ges get geu ggc ggg ggi ggo ggp ggr ggs ggt ggu gic gie gig gii gio gip gir gis git giu goc goe gog goi goo gop gor gos got gou gpc gpe gpg gpi gpo gpp gpr gps gpt gpu grc gre grg gri gro grp grr grs grt gru gsc gse gsg gsi gso gsp gsr gss gst gsu gtc gte gtg gti gto gtp gtr gts gtt gtu gu- guc gue gug gui guo gup gur gus gut guu icc ice icg ici ico icp icr ics ict icu ie- iec iee ieg iei iep ier ies iet igc ige igg igi igo igp igr igs igt igu iic iie iii iio iip iir iis iit iiu io- ioc ioe iog ioi ioo iop ior ios iot iou ipc ipe ipg ipi ipo ipp ipr ips ipt ipu ir- irc ire irg iri iro irp irr irs irt iru is- isc ise isg isi iso isp isr iss ist isu itc ite itg iti ito itp its itt itu iu- iuc iue iug iui iup iur ius iut o-i oc- occ ocg oci oco ocp ocr ocs oct ocu oec oee oeg oei oeo oep oer oes oet ogc oge ogg ogi ogo ogp ogs ogt oic oie oii oio oip oir ois oit oiu oo- ooc oog ooi ooo oop oor oos oot op- opc ope opg opi opo opp opr ops opt or- orc ore org ori oro orp orr ors ort oru os- osc ose osg osi oso osp osr oss ost osu ot- otc ote otg oti oto otp otr ots ott otu ou- ouc oue oui ouo oup our ous out p-p pcc pce pcg pci pco pcp pcr pcs pct pcu pec pee peg pei peo pep per pes pet peu pgc pge pgg pgi pgo pgp pgr pgs pgt pic pie pig pii pio pip pir pis pit piu poc poe pog poi poo pop por pos pot pou ppc ppe ppg ppi ppo ppp ppr pps ppt ppu prc pre prg pri pro prp prr prs prt pru ps- psc pse psg psi pso psp psr pss pst psu pt- ptc pte ptg pti pto ptp ptr pts ptt ptu puc pue pug pui pup pur pus put puu rcc rce rcg rci rco rcp rcr rcs rct rcu re- rec ree reg rei reo rep rer res ret reu rgc rge rgg rgi rgo rgp rgr rgs rgt ric rie rig rii rio rip rir ris rit roc roe rog roi roo rop ror ros rot rou rpc rpe rpg rpi rpo rpp rpr rps rpt rpu rrc rrg rri rrp rrr rrs rrt rru rsc rse rsg rsi rso rsp rsr rss rst rsu rtc rte rtg rti rto rtp rtr rts rtt rtu ruc rue rug rui ruo rup rur rus rut ruu scc sce scg sci sco scp scr scs sct scu se- sec see seg sei seo sep ser ses set seu sgc sge sgg sgi sgo sgp sgr sgs sgt sgu sic sie sig sii sio sip sir sis sit siu soc soe sog soi soo sop sor sos sot sou spc spe spg spi spo spp spr sps spt spu sr- src sre srg sri sro srp srr srs srt ss- ssc sse ssg ssi sso ssp ssr sss sst ssu stc ste stg sti sto stp str sts stt stu suc sue sug sui suo sup sur sus sut suu tcc tce tcg tci tco tcp tcr tcs tct tcu te- tec tee teg tei teo tep ter tes tet teu tgc tge tgg tgi tgo tgp tgr tgs tgt tgu tic tie tig tii tio tip tir tis tit tiu to- toc toe tog toi too top tor tos tot tou tpc tpe tpg tpi tpo tpp tpr tps tpt tpu trc tre trg tri tro trp trr trs trt tru tsc tse tsg tsi tso tsp tsr tss tst tsu ttc tte ttg tti tto ttp ttr tts ttt ttu tuc tue tug tui tuo tup tur tus tut tuu ucc uce ucg uci uco ucp ucr ucs uct ucu uec uee ueg uei uep uer ues uet ugc uge ugg ugi ugo ugp ugr ugs ugt ugu uic uie uig uii uio uip uir uis uit uiu uoc uoe uog uoo uop uor uos uot up- upc upe upg upi upo upp upr ups upt upu ur- urc ure urg uri uro urp urr urs urt uru usc use usg usi uso usp usr uss ust usu utc ute uti uto utp utr uts utt utu uuc uue uug uur uus