-er -ey -ic b-p bbb bbc bbe bbi bbk bbm bbn bbo bbp bbr bbs bby bcb bcc bce bci bck bcm bcn bco bcp bcr bcs bcy be- beb bec bee bei bek bem ben beo bep ber bes bey bi- bib bic bie bii bik bim bin bio bip bir bis biy bkb bkc bke bkk bkm bkn bko bkp bkr bks bmb bmc bme bmi bmk bmm bmn bmo bmp bmr bms bnb bnc bne bni bnk bnn bno bnp bnr bns bob boc boe boi bok bom bon boo bop bor bos boy bpb bpc bpe bpi bpm bpn bpo bpp bpr bps bpy brb bre bri brk brm brn bro brp brr brs bry bsb bsc bse bsi bsk bsm bsn bso bsp bsr bss bsy by- byc bye byi byk bym byn byo byp byr bys c-- cbb cbc cbe cbi cbk cbm cbn cbo cbp cbr cbs cby ccb ccc cce cci cck ccm ccn cco ccp ccr ccs ce- ceb cec cee cei cek cem cen ceo cep cer ces cey ci- cib cic cie cii cik cim cin cio cip cir cis ckb ckc cki ckm cko cks cky cmb cmc cme cmi cmk cmm cmn cmo cmp cmr cms cmy cn- cnb cnc cne cni cnm cnn cno cnp cnr cns cny co- cob coc coe coi cok com con coo cop cor cos coy cpb cpc cpe cpi cpk cpm cpn cpo cpp cpr cps crb crc cre cri crk crm crn cro crp crr crs cry csb csc cse csi csk csm csn cso csp csr css csy cyb cyc cye cyk cym cyn cyo cyp cyr cys ebb ebc ebe ebi ebk ebm ebn ebo ebp ebr ebs eby ec- ecb ecc ece eci eck ecm ecn eco ecr ecs eeb eec eee eek eem een eeo eep eer ees eey eib eic eie eii eik eim ein eio eip eir eis ekb ekc eke eki eko ekp ekr eks eky em- emb emc eme emi emk emm emn emo emp emr ems en- enb enc ene eni enk enm enn eno enp enr ens eny eo- eob eoc eoe eoi eok eom eon eoo eop eor eos ep- epb epc epe epi epm epn epo epp epr eps erb erc ere eri erk erm ern ero erp err ers ery es- esb esc ese esi esk esm esn eso esp esr ess esy eyc eye eym eyn eyo eyp eyr eys ibb ibc ibe ibi ibk ibm ibn ibo ibp ibr ibs iby icb icc ice ici ick icm icn ico icp icr ics icy ie- iec iee iei iek iem ien iep ier ies iey iib iic iie iii iim iin iio iip iir iis ikb ikc ike iki ikk iko ikr iks im- imb imc ime imi imm imn imo imp ims imy in- inb inc ine ini ink inm inn ino inp inr ins iny io- iob ioc ioe ioi iom ion ioo iop ior ios ipb ipc ipe ipi ipm ipn ipo ipp ipr ips ipy ir- irb irc ire iri irk irm irn iro irp irr irs iry is- isb isc ise isi isk ism isn iso isp isr iss isy iyc iye iym iyo iyr iys iyy kbb kbc kbe kbi kbk kbm kbn kbo kbp kbr kbs kcb kcc kce kci kck kcm kcn kcp kcr kcs ke- keb kec kee kei kek kem ken keo kep ker kes key kib kic kie kii kik kim kin kio kip kir kis kkb kkc kke kki kkk kkm kkn kkp kkr kks kky kmb kmc kme kmi kmk kmm kmo kmp kms kn- knc kne kni knk knm knn kno knp knr kob koc koe koi kok kom kon koo kop kor kos koy kpc kpe kpi kpk kpm kpn kpo kpp kpr kps krc kri krk krn kro krp krr krs kry ksb ksc kse ksi ksk ksm ksn kso ksp ksr kss kyc kye kym kyn kyo kyp kyr kys m-o m-r mbb mbc mbe mbi mbk mbm mbo mbp mbr mbs mc- mcb mcc mce mci mck mcm mcn mco mcp mcr mcs meb mec mee mei mek mem men meo mep mer mes mey mi- mib mic mie mii mik mim min mio mip mir mis miy mkb mkc mke mkk mkm mkn mko mkp mkr mks mky mmb mmc mme mmi mmk mmm mmn mmo mmp mmr mms mnb mnc mne mni mnk mnm mnn mno mnp mnr mns mob moc moe moi mok mom mon moo mop mor mos moy mpb mpc mpe mpi mpk mpm mpn mpo mpp mpr mps mrb mrc mre mri mrk mrm mrn mro mrp mrr mrs mry msb msc mse msi msk msm msn mso msp msr mss msy my- myb myc mye myk mym myn myo myr mys n-i nbb nbc nbe nbi nbk nbm nbn nbo nbp nbr nbs ncb ncc nce nci nck ncm ncn nco ncp ncr ncs ne- neb nec nee nei nek nem nen neo nep ner nes ney nib nic nie nii nik nim nin nio nip nir nis nkc nke nki nkk nkm nkn nko nkp nkr nks nky nmb nmc nme nmi nmk nmm nmn nmo nmp nmr nms nnb nnc nne nni nnk nnm nnn nno nnp nns no- nob noc noe noi nok nom non noo nop nor nos noy npb npc npe npi npm npn npo npp npr nps nrb nrc nre nri nrk nrm nrn nro nrp nrr nrs nry nsb nsc nse nsi nsk nsm nsn nso nsp nsr nss nsy nyc nye nyk nym nyn nyo nyp nys nyy o-i ob- obb obc obe obi obk obm obn obo obp obr obs oby oc- ocb occ oci ock ocm ocn oco ocp ocr ocs oeb oec oee oei oem oen oeo oep oer oes oey oib oic oie oii oik oim oin oio oip oir ois okb okc oke oki okk oko okp