-er -ic -up c-- ccc ccd cce cci cco ccp ccr ccs ccu ccv cdc cdd cde cdi cdo cdp cdr cds cdu cdv ce- cec ced cee cei ceo cep cer ces ceu cev ci- cic cid cie cii cio cip cir cis ciu civ co- coc cod coe coi coo cop cor cos cou cov cpc cpd cpe cpi cpo cpp cpr cps cpu cpv crc crd cre cri cro crp crr crs cru crv csc csd cse csi cso csp csr css csu csv cuc cud cue cui cuo cup cur cus cuu cuv cvc cvd cve cvi cvo cvp cvr cvs cvu cvv dcc dcd dce dci dco dcp dcr dcs dcu dcv ddc ddd dde ddi ddo ddp ddr dds ddu de- dec ded dee dei deo dep der des deu dev di- dic did die dii dio dip dir dis diu div doc dod doe doi doo dop dor dos dou dov dpc dpd dpe dpi dpo dpp dpr dps dpu dpv drc drd dre dri dro drp drr drs dru drv dsc dsd dse dsi dso dsp dsr dss dsu dsv duc dud due dui duo dup dur dus duv dvc dvd dve dvi dvp dvr dvs dvu ec- ecc ecd ece eci eco ecr ecs ecu ecv ed- edc edd ede edi edo edp edr eds edu eec eed eee eeo eep eer ees eev eic eid eie eii eio eip eir eis eiu eiv eo- eoc eod eoe eoi eoo eop eor eos eou ep- epc epd epe epi epo epp epr eps epu erc erd ere eri ero erp err ers eru erv es- esc esd ese esi eso esp esr ess esu esv eu- euc eud eue eui eup eur eus euv evc evd eve evi evo evp evr evs evv i-d i-v icc icd ice ici ico icp icr ics icu icv idc idd ide idi ido idp idr ids idu idv ie- iec ied iee iei iep ier ies iev iic iid iie iii iio iip iir iis iiu io- ioc iod ioe ioi ioo iop ior ios iou iov ipc ipd ipe ipi ipo ipp ipr ips ipu ipv ir- irc ird ire iri iro irp irr irs iru irv is- isc isd ise isi iso isp isr iss isu isv iu- iuc iud iue iui iup iur ius ivc ivd ive ivi ivo ivp ivr ivs ivu ivv o-i oc- occ ocd oci oco ocp ocr ocs ocu ocv odc odd ode odi odo odp odr ods odu odv oec oed oee oei oeo oep oer oes oic oid oie oii oio oip oir ois oiu oiv oo- ooc ood ooi ooo oop oor oos oov op- opc opd ope opi opo opp opr ops opv or- orc ord ore ori oro orp orr ors oru orv os- osc osd ose osi oso osp osr oss osu osv ou- ouc oud oue oui ouo oup our ous ov- ovc ovd ove ovi ovo ovp ovs ovv p-p pcc pcd pce pci pco pcp pcr pcs pcu pcv pdc pdd pde pdi pdo pdp pdr pds pdu pdv pec ped pee pei peo pep per pes peu pev pic pid pie pii pio pip pir pis piu piv poc pod poe poi poo pop por pos pou pov ppc ppd ppe ppi ppo ppp ppr pps ppu ppv prc prd pre pri pro prp prr prs pru prv ps- psc psd pse psi pso psp psr pss psu psv puc pud pue pui pup pur pus puu pvc pvd pve pvi pvo pvp pvr pvs pvu pvv rcc rcd rce rci rco rcp rcr rcs rcu rcv rdc rdd rde rdi rdo rdp rdr rds rdu rdv re- rec red ree rei reo rep rer res reu rev ric rid rie rii rio rip rir ris riv roc rod roe roi roo rop ror ros rou rov rpc rpd rpe rpi rpo rpp rpr rps rpu rpv rrc rrd rri rrp rrr rrs rru rsc rsd rse rsi rso rsp rsr rss rsu rsv ruc rud rue rui ruo rup rur rus ruu ruv rvc rvd rve rvi rvo rvp rvr rvs rvu rvv scc scd sce sci sco scp scr scs scu scv sdc sdd sde sdi sdo sdp sdr sds sdu sdv se- sec sed see sei seo sep ser ses seu sev sic sid sie sii sio sip sir sis siu siv soc sod soe soi soo sop sor sos sou sov spc spd spe spi spo spp spr sps spu spv sr- src srd sre sri sro srp srr srs srv ss- ssc ssd sse ssi sso ssp ssr sss ssu ssv suc sud sue sui suo sup sur sus suu suv svc svd sve svi svo svp svr svs svu svv ucc ucd uce uci uco ucp ucr ucs ucu ucv udc udd ude udi udo udp udr uds udu udv uec ued uee uei uep uer ues uic uid uie uii uio uip uir uis uiu uoc uod uoe uoo uop uor uos up- upc upd upe upi upo upp upr ups upu upv ur- urc urd ure uri uro urp urr urs uru usc usd use usi uso usp usr uss usu usv uuc uue uur uus uuu uvc uve uvo uvs uvu uvv v-e vcc vcd vce vci vco vcp vcr vcs vcu vdc vdd vde vdi vdo vdp vdr vds vdu vdv vec ved vee vei veo vep ver ves veu vi- vic vid vie vii vio vip vir vis viu viv voc vod voe voi voo vop vor vos vou vov vpc vpd vpe vpi vpo vpp vpr vps vpu vrc vrd vre vri vrp vrr vrs vru vsc vsd vse vsi vso vsp vsr vss vsu vsv vue vup vur vus vuv vvc vvi vvo vvr vvs vvv