-er c-- ccc cce cck ccm ccn cco ccr cct ccu ce- cec cee cek cem cen ceo cer cet ceu ckc ckm cko ckt cmc cme cmk cmm cmn cmo cmr cmt cmu cn- cnc cne cnm cnn cno cnr cnt cnu co- coc coe cok com con coo cor cot cou crc cre crk crm crn cro crr crt cru ctc cte ctk ctm ctn cto ctr ctt ctu cuc cue cuk cum cun cuo cur cut cuu ec- ecc ece eck ecm ecn eco ecr ect ecu eec eee eek eem een eeo eer eet ekc eke eko ekr ekt eku em- emc eme emk emm emn emo emr emt emu en- enc ene enk enm enn eno enr ent enu eo- eoc eoe eok eom eon eoo eor eot eou erc ere erk erm ern ero err ert eru etc ete etk etm etn eto etr ett etu eu- euc eue eun eur eut k-t kcc kce kck kcm kcn kcr kct kcu ke- kec kee kek kem ken keo ker ket kkc kke kkk kkm kkn kkr kkt kku kmc kme kmk kmm kmo kmt kmu kn- knc kne knk knm knn kno knr knt knu koc koe kok kom kon koo kor kot kou krc krk krn kro krr krt kru ktc kte ktk ktm ktn kto ktr ktt ktu kuc kue kuk kum kun kur kut kuu m-o m-r mc- mcc mce mck mcm mcn mco mcr mct mcu mec mee mek mem men meo mer met meu mkc mke mkk mkm mkn mko mkr mkt mku mmc mme mmk mmm mmn mmo mmr mmt mmu mnc mne mnk mnm mnn mno mnr mnt mnu moc moe mok mom mon moo mor mot mou mrc mre mrk mrm mrn mro mrr mrt mru mtc mte mtk mtm mtn mto mtr mtt mtu muc mue muk mum mun mur mut muu ncc nce nck ncm ncn nco ncr nct ncu ne- nec nee nek nem nen neo ner net neu nkc nke nkk nkm nkn nko nkr nkt nku nmc nme nmk nmm nmn nmo nmr nmt nmu nnc nne nnk nnm nnn nno nnt nnu no- noc noe nok nom non noo nor not nou nrc nre nrk nrm nrn nro nrr nrt nru ntc nte ntk ntm ntn nto ntr ntt ntu nuc nue nuk num nun nuo nur nut nuu oc- occ ock ocm ocn oco ocr oct ocu oec oee oem oen oeo oer oet okc oke okk oko okr oku om- omc ome omm omn omo omr omt omu on- onc one onk onn ono onr ont onu oo- ooc ook oom oon ooo oor oot or- orc ore ork orm orn oro orr ort oru ot- otc ote otk otm otn oto otr ott otu ou- ouc oue ouk oum oun ouo our out rcc rce rcm rcn rco rcr rct rcu re- rec ree rek rem ren reo rer ret reu rkc rke rkk rkm rko rkt rku rmc rme rmm rmn rmo rmr rmt rnc rnm rnn rno rnr rnt rnu roc roe rok rom ron roo ror rot rou rrc rrk rrm rrn rrr rrt rru rtc rte rtk rtm rtn rto rtr rtt rtu ruc rue ruk rum run ruo rur rut ruu tcc tce tck tcm tcn tco tcr tct tcu te- tec tee tek tem ten teo ter tet teu tkc tke tkk tkm tko tkr tkt tmc tme tmk tmm tmn tmo tmr tmt tmu tnc tne tnk tnm tnn tno tnr tnt to- toc toe tok tom ton too tor tot tou trc tre trk trm trn tro trr trt tru ttc tte ttk ttm ttn tto ttr ttt ttu tuc tue tuk tum tun tuo tur tut tuu ucc uce uck ucm ucn uco ucr uct ucu uec uee uem uen uer uet ukc uke ukk ukn ukr uku um- umc ume umm umn umo umr umt umu un- unc une unk unm unn uno unr unt unu uoc uoe uok uom uon uoo uor uot ur- urc ure urk urm urn uro urr urt uru utc ute utk utm utn uto utr utt utu uuc uue uum uun uur uut uuu