-er -ic -up c-- ccc ccd cce cci cck cco ccp ccr ccs ccu ccw cdc cdd cde cdi cdk cdo cdp cdr cds cdu cdw ce- cec ced cee cei cek ceo cep cer ces ceu cew ci- cic cid cie cii cik cio cip cir cis ciu ciw ckc ckd cki cko cks ckw co- coc cod coe coi cok coo cop cor cos cou cow cpc cpd cpe cpi cpk cpo cpp cpr cps cpu cpw crc crd cre cri crk cro crp crr crs cru crw csc csd cse csi csk cso csp csr css csu csw cuc cud cue cui cuk cuo cup cur cus cuu cuw cw- cwc cwd cwe cwi cwk cwo cwp cwr cws cwu dcc dcd dce dci dck dco dcp dcr dcs dcu dcw ddc ddd dde ddi ddk ddo ddp ddr dds ddu ddw de- dec ded dee dei dek deo dep der des deu dew di- dic did die dii dik dio dip dir dis diu diw dkc dke dki dkk dko dkp dkr dks dku dkw doc dod doe doi dok doo dop dor dos dou dow dpc dpd dpe dpi dpk dpo dpp dpr dps dpu dpw drc drd dre dri drk dro drp drr drs dru drw dsc dsd dse dsi dsk dso dsp dsr dss dsu dsw duc dud due dui duk duo dup dur dus dwc dwe dwi dwo dwp dwr dws dwu dww ec- ecc ecd ece eci eck eco ecr ecs ecu ecw ed- edc edd ede edi edk edo edp edr eds edu edw eec eed eee eek eeo eep eer ees eew eic eid eie eii eik eio eip eir eis eiu ekc ekd eke eki eko ekp ekr eks eku eo- eoc eod eoe eoi eok eoo eop eor eos eou eow ep- epc epd epe epi epo epp epr eps epu epw erc erd ere eri erk ero erp err ers eru erw es- esc esd ese esi esk eso esp esr ess esu esw eu- euc eud eue eui eup eur eus ewc ewd ewe ewi ewk ewo ewp ewr ews ewu eww i-d icc icd ice ici ick ico icp icr ics icu icw idc idd ide idi idk ido idp idr ids idu idw ie- iec ied iee iei iek iep ier ies iic iid iie iii iio iip iir iis iiu iiw ikc ike iki ikk iko ikr iks iku io- ioc iod ioe ioi ioo iop ior ios iou iow ipc ipd ipe ipi ipo ipp ipr ips ipu ir- irc ird ire iri irk iro irp irr irs iru is- isc isd ise isi isk iso isp isr iss isu isw iu- iuc iud iue iui iup iur ius iwc iwd iwe iwi iwk iwo iwp iwr iws iwu iww kcc kcd kce kci kck kcp kcr kcs kcu kdc kde kdk kdo kdp kdr kds kdu ke- kec ked kee kei kek keo kep ker kes kew kic kid kie kii kik kio kip kir kis kiu kkc kke kki kkk kkp kkr kks kku koc kod koe koi kok koo kop kor kos kou kow kpc kpd kpe kpi kpk kpo kpp kpr kps kpu kpw krc krd kri krk kro krp krr krs kru krw ksc ksd kse ksi ksk kso ksp ksr kss ksu ksw kuc kud kue kui kuk kup kur kus kuu kw- kwc kwd kwi kwk kwo kwp kws kww o-i oc- occ ocd oci ock oco ocp ocr ocs ocu ocw odc odd ode odi odo odp odr ods odu oec oed oee oei oeo oep oer oes oic oid oie oii oik oio oip oir ois oiu okc okd oke oki okk oko okp okr oks oku okw oo- ooc ood ooi ook ooo oop oor oos oow op- opc opd ope opi opk opo opp opr ops opw or- orc ord ore ori ork oro orp orr ors oru os- osc osd ose osi osk oso osp osr oss osu osw ou- ouc oud oue oui ouk ouo oup our ous owc owd owe owi owk owo owp ows owu oww p-p pcc pcd pce pci pck pco pcp pcr pcs pcu pcw pdc pdd pde pdi pdk pdo pdp pdr pds pdu pec ped pee pei pek peo pep per pes peu pew pic pid pie pii pik pio pip pir pis piu piw pkc pkd pke pki pko pkp pkr pks pku poc pod poe poi pok poo pop por pos pou pow ppc ppd ppe ppi ppk ppo ppp ppr pps ppu ppw prc prd pre pri prk pro prp prr prs pru prw ps- psc psd pse psi psk pso psp psr pss psu psw puc pud pue pui puk pup pur pus puu pwc pwd pwe pwi pwo pwp pwr pws pwu rcc rcd rce rci rco rcp rcr rcs rcu rcw rdc rdd rde rdi rdo rdp rdr rds rdu re- rec red ree rei rek reo rep rer res reu rew ric rid rie rii rik rio rip rir ris rkc rke rkk rko rkp rks rku roc rod roe roi rok roo rop ror ros rou row rpc rpd rpe rpi rpk rpo rpp rpr rps rpu rpw rrc rrd rri rrk rrp rrr rrs rru rsc rsd rse rsi rsk rso rsp rsr rss rsu rsw ruc rud rue rui ruk ruo rup rur rus ruu rwc rwd rwe rwi rwr rws rwu scc scd sce sci sck sco scp scr scs scu scw sdc sdd sde sdi sdk sdo sdp sdr sds sdu sdw se- sec sed see sei sek seo sep ser ses seu sew sic sid sie sii sik sio sip sir sis siu siw sk- skc skd ske ski skk sko skp skr sks sku skw soc sod soe soi sok soo sop sor sos sou sow spc spd spe spi spk spo spp spr sps spu spw sr- src srd sre sri srk sro srp srr srs