-er -ic -up c-- ccc cce cci cck ccn cco ccp ccr cct ccu ce- cec cee cei cek cen ceo cep cer cet ceu ci- cic cie cii cik cin cio cip cir cit ciu ckc cki cko ckt cn- cnc cne cni cnn cno cnp cnr cnt cnu co- coc coe coi cok con coo cop cor cot cou cpc cpe cpi cpk cpn cpo cpp cpr cpt cpu crc cre cri crk crn cro crp crr crt cru ctc cte cti ctk ctn cto ctp ctr ctt ctu cuc cue cui cuk cun cuo cup cur cut cuu ec- ecc ece eci eck ecn eco ecr ect ecu eec eee eek een eeo eep eer eet eic eie eii eik ein eio eip eir eit eiu ekc eke eki eko ekp ekr ekt eku en- enc ene eni enk enn eno enp enr ent enu eo- eoc eoe eoi eok eon eoo eop eor eot eou ep- epc epe epi epn epo epp epr ept epu erc ere eri erk ern ero erp err ert eru etc ete eti etk etn eto etp etr ett etu eu- euc eue eui eun eup eur eut icc ice ici ick icn ico icp icr ict icu ie- iec iee iei iek ien iep ier iet iic iie iii iin iio iip iir iit iiu ikc ike iki ikk iko ikr ikt iku in- inc ine ini ink inn ino inp inr int inu io- ioc ioe ioi ion ioo iop ior iot iou ipc ipe ipi ipn ipo ipp ipr ipt ipu ir- irc ire iri irk irn iro irp irr irt iru itc ite iti itk itn ito itp itt itu iu- iuc iue iui iup iur iut k-t kcc kce kci kck kcn kcp kcr kct kcu ke- kec kee kei kek ken keo kep ker ket kic kie kii kik kin kio kip kir kit kiu kkc kke kki kkk kkn kkp kkr kkt kku kn- knc kne kni knk knn kno knp knr knt knu koc koe koi kok kon koo kop kor kot kou kpc kpe kpi kpk kpn kpo kpp kpr kpt kpu krc kri krk krn kro krp krr krt kru ktc kte ktk ktn kto ktp ktr ktt ktu kuc kue kui kuk kun kup kur kut kuu n-i ncc nce nci nck ncn nco ncp ncr nct ncu ne- nec nee nei nek nen neo nep ner net neu nic nie nii nik nin nio nip nir nit niu nkc nke nki nkk nkn nko nkp nkr nkt nku nnc nne nni nnk nnn nno nnp nnt nnu no- noc noe noi nok non noo nop nor not nou npc npe npi npn npo npp npr npt npu nrc nre nri nrk nrn nro nrp nrr nrt nru ntc nte nti ntk ntn nto ntp ntr ntt ntu nuc nue nui nuk nun nuo nup nur nut nuu o-i oc- occ oci ock ocn oco ocp ocr oct ocu oec oee oei oen oeo oep oer oet oic oie oii oik oin oio oip oir oit oiu okc oke oki okk oko okp okr oku on- onc one oni onk onn ono onp onr ont onu oo- ooc ooi ook oon ooo oop oor oot op- opc ope opi opk opn opo opp opr opt or- orc ore ori ork orn oro orp orr ort oru ot- otc ote oti otk otn oto otp otr ott otu ou- ouc oue oui ouk oun ouo oup our out p-p pcc pce pci pck pcn pco pcp pcr pct pcu pec pee pei pek pen peo pep per pet peu pic pie pii pik pin pio pip pir pit piu pkc pke pki pkn pko pkp pkr pkt pku pn- pnc pne pni pnk pnn pno pnp pnr pnt pnu poc poe poi pok pon poo pop por pot pou ppc ppe ppi ppk ppn ppo ppp ppr ppt ppu prc pre pri prk prn pro prp prr prt pru pt- ptc pte pti ptk ptn pto ptp ptr ptt ptu puc pue pui puk pun pup pur put puu rcc rce rci rcn rco rcp rcr rct rcu re- rec ree rei rek ren reo rep rer ret reu ric rie rii rik rin rio rip rir rit rkc rke rkk rko rkp rkt rku rnc rni rnn rno rnp rnr rnt rnu roc roe roi rok ron roo rop ror rot rou rpc rpe rpi rpk rpn rpo rpp rpr rpt rpu rrc rri rrk rrn rrp rrr rrt rru rtc rte rti rtk rtn rto rtp rtr rtt rtu ruc rue rui ruk run ruo rup rur rut ruu tcc tce tci tck tcn tco tcp tcr tct tcu te- tec tee tei tek ten teo tep ter tet teu tic tie tii tik tin tio tip tir tit tiu tkc tke tkk tko tkp tkr tkt tnc tne tni tnk tnn tno tnp tnr tnt to- toc toe toi tok ton too top tor tot tou tpc tpe tpi tpk tpn tpo tpp tpr tpt tpu trc tre tri trk trn tro trp trr trt tru ttc tte tti ttk ttn tto ttp ttr ttt ttu tuc tue tui tuk tun tuo tup tur tut tuu ucc uce uci uck ucn uco ucp ucr uct ucu uec uee uei uen uep uer uet uic uie uii uin uio uip uir uit uiu ukc uke uki ukk ukn ukp ukr uku un- unc une uni unk unn uno unp unr unt unu uoc uoe uok uon uoo uop uor uot up- upc upe upi upk upn upo upp upr upt upu ur- urc ure uri urk urn uro urp urr urt uru utc ute uti utk utn uto utp utr utt utu uuc uue uun uur uut uuu