-er -ic -up c-- ccc cce cci cck ccp ccr cct ccu ccv ccx ce- cec cee cei cek cep cer cet ceu cev cex ci- cic cie cii cik cip cir cit ciu civ cix ckc cki ckt ckx cpc cpe cpi cpk cpp cpr cpt cpu cpv cpx crc cre cri crk crp crr crt cru crv crx ctc cte cti ctk ctp ctr ctt ctu ctv ctx cuc cue cui cuk cup cur cut cuu cuv cvc cve cvi cvk cvp cvr cvt cvu cvv cvx cxc cxi cxk cxp cxr cxt cxv cxx ec- ecc ece eci eck ecr ect ecu ecv ecx eec eee eek eep eer eet eev eex eic eie eii eik eip eir eit eiu eiv eix ekc eke eki ekp ekr ekt eku ekv ep- epc epe epi epp epr ept epu epx erc ere eri erk erp err ert eru erv etc ete eti etk etp etr ett etu etv etx eu- euc eue eui eup eur eut euv eux evc eve evi evp evr evt evv ex- exc exe exi exp exr ext exu exx i-v icc ice ici ick icp icr ict icu icv ie- iec iee iei iek iep ier iet iev iex iic iie iii iip iir iit iiu iix ikc ike iki ikk ikr ikt iku ikv ikx ipc ipe ipi ipp ipr ipt ipu ipv ipx ir- irc ire iri irk irp irr irt iru irv irx itc ite iti itk itp itt itu itv itx iu- iuc iue iui iup iur iut ivc ive ivi ivp ivr ivt ivu ivv ivx ixc ixe ixi k-t kcc kce kci kck kcp kcr kct kcu kcx ke- kec kee kei kek kep ker ket kev kex kic kie kii kik kip kir kit kiu kiv kix kkc kke kki kkk kkp kkr kkt kku kkv kpc kpe kpi kpk kpp kpr kpt kpu kpv krc kri krk krp krr krt kru krv ktc kte ktk ktp ktr ktt ktu ktv kuc kue kui kuk kup kur kut kuu kvi kvk kvp kvr kvv p-p pcc pce pci pck pcp pcr pct pcu pcv pcx pec pee pei pek pep per pet peu pev pex pic pie pii pik pip pir pit piu piv pix pkc pke pki pkp pkr pkt pku ppc ppe ppi ppk ppp ppr ppt ppu ppv ppx prc pre pri prk prp prr prt pru prv prx pt- ptc pte pti ptk ptp ptr ptt ptu ptv ptx puc pue pui puk pup pur put puu pvc pve pvi pvk pvp pvr pvt pvu pvv pxc pxe pxk pxr pxt rcc rce rci rcp rcr rct rcu rcv rcx re- rec ree rei rek rep rer ret reu rev rex ric rie rii rik rip rir rit riv rix rkc rke rkk rkp rkt rku rkv rpc rpe rpi rpk rpp rpr rpt rpu rpv rpx rrc rri rrk rrp rrr rrt rru rtc rte rti rtk rtp rtr rtt rtu rtv rtx ruc rue rui ruk rup rur rut ruu ruv rux rvc rve rvi rvp rvr rvt rvu rvv rxp rxr t-x tcc tce tci tck tcp tcr tct tcu tcv tcx te- tec tee tei tek tep ter tet teu tev tex tic tie tii tik tip tir tit tiu tiv tix tkc tke tkk tkp tkr tkt tpc tpe tpi tpk tpp tpr tpt tpu tpv tpx trc tre tri trk trp trr trt tru trv trx ttc tte tti ttk ttp ttr ttt ttu ttv ttx tuc tue tui tuk tup tur tut tuu tuv tux tvc tve tvi tvk tvp tvr tvt tvu tvx txe txi txk txt txu ucc uce uci uck ucp ucr uct ucu ucv uec uee uei uep uer uet uic uie uii uip uir uit uiu ukc uke uki ukk ukp ukr uku up- upc upe upi upk upp upr upt upu upv upx ur- urc ure uri urk urp urr urt uru urx utc ute uti utk utp utr utt utu utv utx uuc uue uur uut uuu uvc uve uvu uvv uxc uxr uxt uxu v-e vcc vce vci vcp vcr vct vcu vcx vec vee vei vek vep ver vet veu vex vi- vic vie vii vik vip vir vit viu viv vix vkp vkt vpc vpe vpi vpk vpp vpr vpt vpu vpx vrc vre vri vrk vrp vrr vrt vru vtc vte vti vtk vtr vtt vtu vtv vtx vue vuk vup vur vut vuv vvc vvi vvr vvt vvv vxr vxv xci xcp xcr xcv xcx xee xep xer xet xeu xev xex xic xie xii xit xiu xiv xix xke xpc xpe xpp xpt xrc xrt xrx xtc xti xtp xtr xtv xtx xue xui xup xuv xvi xvt xxi xxp xxv xxx