-er -ol -up c-- ccc ccd cce cck ccl cco ccp ccr ccs cct ccu cdc cdd cde cdk cdl cdo cdp cdr cds cdt cdu ce- cec ced cee cek cel ceo cep cer ces cet ceu ckc ckd cko cks ckt cl- clc cld cle clk cll clo clp clr cls clt clu co- coc cod coe cok col coo cop cor cos cot cou cpc cpd cpe cpk cpl cpo cpp cpr cps cpt cpu crc crd cre crk crl cro crp crr crs crt cru csc csd cse csk csl cso csp csr css cst csu ctc ctd cte ctk ctl cto ctp ctr cts ctt ctu cuc cud cue cuk cul cuo cup cur cus cut cuu dcc dcd dce dck dcl dco dcp dcr dcs dct dcu ddc ddd dde ddk ddl ddo ddp ddr dds ddt ddu de- dec ded dee dek del deo dep der des det deu dkc dke dkk dkl dko dkp dkr dks dkt dku dl- dlc dld dle dlk dll dlo dlp dlr dls dlt dlu doc dod doe dok dol doo dop dor dos dot dou dpc dpd dpe dpk dpl dpo dpp dpr dps dpt dpu drc drd dre drk drl dro drp drr drs drt dru dsc dsd dse dsk dsl dso dsp dsr dss dst dsu dtc dtd dte dtk dtl dto dtp dtr dts dtt dtu duc dud due duk dul duo dup dur dus dut ec- ecc ecd ece eck ecl eco ecr ecs ect ecu ed- edc edd ede edk edl edo edp edr eds edt edu eec eed eee eek eel eeo eep eer ees eet ekc ekd eke ekl eko ekp ekr eks ekt eku elc eld ele elk ell elo elp elr els elt elu eo- eoc eod eoe eok eol eoo eop eor eos eot eou ep- epc epd epe epl epo epp epr eps ept epu erc erd ere erk erl ero erp err ers ert eru es- esc esd ese esk esl eso esp esr ess est esu etc etd ete etk etl eto etp etr ets ett etu eu- euc eud eue eul eup eur eus eut k-t kcc kcd kce kck kcl kcp kcr kcs kct kcu kdc kde kdk kdl kdo kdp kdr kds kdt kdu ke- kec ked kee kek kel keo kep ker kes ket kkc kke kkk kkl kkp kkr kks kkt kku kl- klc kld klo klr kls klt klu koc kod koe kok kol koo kop kor kos kot kou kpc kpd kpe kpk kpl kpo kpp kpr kps kpt kpu krc krd krk krl kro krp krr krs krt kru ksc ksd kse ksk ksl kso ksp ksr kss kst ksu ktc kte ktk ktl kto ktp ktr kts ktt ktu kuc kud kue kuk kul kup kur kus kut kuu l-p lcc lcd lce lck lcl lco lcp lcr lcs lct lcu ldc ldd lde ldk ldl ldo ldp ldr lds ldt ldu lec led lee lek lel leo lep ler les let leu lkl lkp lkr lks lkt llc lld lle llk lll llo llp llr lls llt llu loc lod loe lok lol loo lop lor los lot lou lpc lpd lpe lpk lpl lpo lpp lpr lps lpt lpu lrc lrd lrk lro lrp lrr lrs lrt lru lsc lsd lse lsk lsl lso lsp lsr lss lst lsu ltc ltd lte ltk ltl lto ltp ltr lts ltt ltu luc lud lue luk lul luo lup lur lus lut luu oc- occ ocd ock ocl oco ocp ocr ocs oct ocu odc odd ode odl odo odp odr ods odt odu oec oed oee oel oeo oep oer oes oet okc okd oke okk okl oko okp okr oks oku olc old ole olk oll olo olp ols olt olu oo- ooc ood ook ool ooo oop oor oos oot op- opc opd ope opk opl opo opp opr ops opt or- orc ord ore ork orl oro orp orr ors ort oru os- osc osd ose osk osl oso osp osr oss ost osu ot- otc otd ote otk otl oto otp otr ots ott otu ou- ouc oud oue ouk oul ouo oup our ous out p-p pcc pcd pce pck pcl pco pcp pcr pcs pct pcu pdc pdd pde pdk pdl pdo pdp pdr pds pdt pdu pec ped pee pek pel peo pep per pes pet peu pkc pkd pke pkl pko pkp pkr pks pkt pku plc pld ple plk pll plo plp plr pls plt plu poc pod poe pok pol poo pop por pos pot pou ppc ppd ppe ppk ppl ppo ppp ppr pps ppt ppu prc prd pre prk prl pro prp prr prs prt pru ps- psc psd pse psk psl pso psp psr pss pst psu pt- ptc ptd pte ptk ptl pto ptp ptr pts ptt ptu puc pud pue puk pul pup pur pus put puu rcc rcd rce rcl rco rcp rcr rcs rct rcu rdc rdd rde rdl rdo rdp rdr rds rdt rdu re- rec red ree rek rel reo rep rer res ret reu rkc rke rkk rko rkp rks rkt rku rlc rld rle rll rlo rlp rlr rls rlt rlu roc rod roe rok rol roo rop ror ros rot rou rpc rpd rpe rpk rpl rpo rpp rpr rps rpt rpu rrc rrd rrk rrl rrp rrr rrs rrt rru rsc rsd rse rsk rsl rso rsp rsr rss rst rsu rtc rtd rte rtk rtl rto rtp rtr rts rtt rtu ruc rud rue ruk ruo rup rur rus rut ruu scc scd sce sck scl sco scp scr scs sct scu sdc sdd sde sdk sdl sdo sdp sdr sds sdt sdu se- sec sed see sek sel seo sep ser ses set seu sk- skc skd ske skk skl sko skp skr sks skt sku slc sld sle slk sll slo slp slr sls slt slu soc