-er -ic b-p bbb bbc bbe bbi bbk bbn bbp bbr bbs bcb bcc bce bci bck bcn bcp bcr bcs be- beb bec bee bei bek ben bep ber bes bi- bib bic bie bii bik bin bip bir bis bkb bkc bke bkk bkn bkp bkr bks bnb bnc bne bni bnk bnn bnp bnr bns bpb bpc bpe bpi bpn bpp bpr bps brb bre bri brk brn brp brr brs bsb bsc bse bsi bsk bsn bsp bsr bss c-- cbb cbc cbe cbi cbk cbn cbp cbr cbs ccb ccc cce cci cck ccn ccp ccr ccs ce- ceb cec cee cei cek cen cep cer ces ci- cib cic cie cii cik cin cip cir cis ckb ckc cki cks cn- cnb cnc cne cni cnn cnp cnr cns cpb cpc cpe cpi cpk cpn cpp cpr cps crb crc cre cri crk crn crp crr crs csb csc cse csi csk csn csp csr css ebb ebc ebe ebi ebk ebn ebp ebr ebs ec- ecb ecc ece eci eck ecn ecr ecs eeb eec eee eek een eep eer ees eib eic eie eii eik ein eip eir eis ekb ekc eke eki ekp ekr eks en- enb enc ene eni enk enn enp enr ens ep- epb epc epe epi epn epp epr eps erb erc ere eri erk ern erp err ers es- esb esc ese esi esk esn esp esr ess ibb ibc ibe ibi ibk ibn ibp ibr ibs icb icc ice ici ick icn icp icr ics ie- iec iee iei iek ien iep ier ies iib iic iie iii iin iip iir iis ikb ikc ike iki ikk ikr iks in- inb inc ine ini ink inn inp inr ins ipb ipc ipe ipi ipn ipp ipr ips ir- irb irc ire iri irk irn irp irr irs is- isb isc ise isi isk isn isp isr iss kbb kbc kbe kbi kbk kbn kbp kbr kbs kcb kcc kce kci kck kcn kcp kcr kcs ke- keb kec kee kei kek ken kep ker kes kib kic kie kii kik kin kip kir kis kkb kkc kke kki kkk kkn kkp kkr kks kn- knc kne kni knk knn knp knr kpc kpe kpi kpk kpn kpp kpr kps krc kri krk krn krp krr krs ksb ksc kse ksi ksk ksn ksp ksr kss n-i nbb nbc nbe nbi nbk nbn nbp nbr nbs ncb ncc nce nci nck ncn ncp ncr ncs ne- neb nec nee nei nek nen nep ner nes nib nic nie nii nik nin nip nir nis nkc nke nki nkk nkn nkp nkr nks nnb nnc nne nni nnk nnn nnp nns npb npc npe npi npn npp npr nps nrb nrc nre nri nrk nrn nrp nrr nrs nsb nsc nse nsi nsk nsn nsp nsr nss p-p pbb pbc pbe pbi pbk pbn pbp pbr pbs pcb pcc pce pci pck pcn pcp pcr pcs peb pec pee pei pek pen pep per pes pib pic pie pii pik pin pip pir pis pkb pkc pke pki pkn pkp pkr pks pn- pnb pnc pne pni pnk pnn pnp pnr pns ppb ppc ppe ppi ppk ppn ppp ppr pps prb prc pre pri prk prn prp prr prs ps- psb psc pse psi psk psn psp psr pss rbb rbc rbe rbi rbk rbn rbp rbr rbs rcb rcc rce rci rcn rcp rcr rcs re- reb rec ree rei rek ren rep rer res rib ric rie rii rik rin rip rir ris rkb rkc rke rkk rkp rks rnb rnc rni rnn rnp rnr rns rpb rpc rpe rpi rpk rpn rpp rpr rps rrb rrc rri rrk rrn rrp rrr rrs rsb rsc rse rsi rsk rsn rsp rsr rss sbb sbc sbe sbi sbk sbn sbp sbr sbs scb scc sce sci sck scn scp scr scs se- seb sec see sei sek sen sep ser ses sib sic sie sii sik sin sip sir sis sk- skb skc ske ski skk skp skr sks snb snc sne sni snk snn snp snr sns spb spc spe spi spk spn spp spr sps sr- srb src sre sri srk srn srp srr srs ss- ssb ssc sse ssi ssk ssn ssp ssr sss

-ene -ine -nik bbbb bbbs bbci bbeb bbin bbpr bbrc bcbc bcbp bcbs bccc bcci bccs bcec bcer bces bcie bcis bcpp bcps bcrs bcsc bcsn bcss bebb bebe bebi beci beck becs beeb beek been beep beer bees beic beik bein beir beis beke beki beks bene beni benk benn bens berc bere beri berk bern berr bers bes- bese besk bess bibb bibe bibi bibs bicc bice bici bick bics bieb bien bier bies biin biis bike bin- binc bine bini bink binn bins bipp bips birb bire biri birk birn birr birs bis- bisc bise bisk bisp biss bkpr bksp bner bnib bnin bnpp bnrr bnss bpcp bprc brcb brce breb brec bree brei brek bren brep brer bres bric brie brik brin bris brkb brns brrr brrs brsb brsr bsci bscp bscs bseb bsec bsee bser bses bsic bsin bsns bspp bspr bssc bsse cbbc cbbs cbcc cbce cbcn cbcp cbcr cbcs cbec cbee cber cbir cbkn cbkr cbpc cbpp cbre cbrn cbsc cbse cbsi cbsn ccbc ccbn cccb cccc ccci cccp cccs ccee ccic ccii ccip ccir ccis ccnb ccnc ccne ccni ccnp ccnr ccns ccpe ccpn ccpp ccpr ccps ccrc ccre ccri ccrp ccrs ccsi ccsn ccsp ccss cebp cebs cec- cece ceci cecp cecs ceeb ceec cees ceip ceke cen- cene ceni cens cepc cepe cepp cepr ceps cer- cerc cere ceri cern cerp cers cesc cese cesi cesp cesr cess cibc cibe cibi cicc cici cicr cics ciee cien cier cies ciii ciis cikr cin- cinc cine cini cink cipp cips cirb circ cire ciri cirk cirr cirs cis- cisc cise cisk cisn cisp cisr ciss ckbc ckbe ckbi ckck