-er -ic bbb bbc bbe bbi bbk bbm bbn bbr bbs bbt bcb bcc bce bci bck bcm bcn bcr bcs bct be- beb bec bee bei bek bem ben ber bes bet bi- bib bic bie bii bik bim bin bir bis bit bkb bkc bke bkk bkm bkn bkr bks bkt bmb bmc bme bmi bmk bmm bmn bmr bms bmt bnb bnc bne bni bnk bnn bnr bns bnt brb bre bri brk brm brn brr brs brt bsb bsc bse bsi bsk bsm bsn bsr bss bst btb btc bte bti btk btm btn btr bts btt c-- cbb cbc cbe cbi cbk cbm cbn cbr cbs cbt ccb ccc cce cci cck ccm ccn ccr ccs cct ce- ceb cec cee cei cek cem cen cer ces cet ci- cib cic cie cii cik cim cin cir cis cit ckb ckc cki ckm cks ckt cmb cmc cme cmi cmk cmm cmn cmr cms cmt cn- cnb cnc cne cni cnm cnn cnr cns cnt crb crc cre cri crk crm crn crr crs crt csb csc cse csi csk csm csn csr css cst ctb ctc cte cti ctk ctm ctn ctr cts ctt ebb ebc ebe ebi ebk ebm ebn ebr ebs ebt ec- ecb ecc ece eci eck ecm ecn ecr ecs ect eeb eec eee eek eem een eer ees eet eib eic eie eii eik eim ein eir eis eit ekb ekc eke eki ekr eks ekt em- emb emc eme emi emk emm emn emr ems emt en- enb enc ene eni enk enm enn enr ens ent erb erc ere eri erk erm ern err ers ert es- esb esc ese esi esk esm esn esr ess est etb etc ete eti etk etm etn etr ets ett ibb ibc ibe ibi ibk ibm ibn ibr ibs ibt icb icc ice ici ick icm icn icr ics ict ie- iec iee iei iek iem ien ier ies iet iib iic iie iii iim iin iir iis iit ikb ikc ike iki ikk ikr iks ikt im- imb imc ime imi imm imn ims imt in- inb inc ine ini ink inm inn inr ins int ir- irb irc ire iri irk irm irn irr irs irt is- isb isc ise isi isk ism isn isr iss ist itb itc ite iti itk itm itn its itt k-t kbb kbc kbe kbi kbk kbm kbn kbr kbs kcb kcc kce kci kck kcm kcn kcr kcs kct ke- keb kec kee kei kek kem ken ker kes ket kib kic kie kii kik kim kin kir kis kit kkb kkc kke kki kkk kkm kkn kkr kks kkt kmb kmc kme kmi kmk kmm kms kmt kn- knc kne kni knk knm knn knr knt krc kri krk krn krr krs krt ksb ksc kse ksi ksk ksm ksn ksr kss kst ktb ktc kte ktk ktm ktn ktr kts ktt m-r mbb mbc mbe mbi mbk mbm mbr mbs mbt mc- mcb mcc mce mci mck mcm mcn mcr mcs mct meb mec mee mei mek mem men mer mes met mi- mib mic mie mii mik mim min mir mis mit mkb mkc mke mkk mkm mkn mkr mks mkt mmb mmc mme mmi mmk mmm mmn mmr mms mmt mnb mnc mne mni mnk mnm mnn mnr mns mnt mrb mrc mre mri mrk mrm mrn mrr mrs mrt msb msc mse msi msk msm msn msr mss mst mtb mtc mte mti mtk mtm mtn mtr mts mtt n-i nbb nbc nbe nbi nbk nbm nbn nbr nbs nbt ncb ncc nce nci nck ncm ncn ncr ncs nct ne- neb nec nee nei nek nem nen ner nes net nib nic nie nii nik nim nin nir nis nit nkc nke nki nkk nkm nkn nkr nks nkt nmb nmc nme nmi nmk nmm nmn nmr nms nmt nnb nnc nne nni nnk nnm nnn nns nnt nrb nrc nre nri nrk nrm nrn nrr nrs nrt nsb nsc nse nsi nsk nsm nsn nsr nss nst ntb ntc nte nti ntk ntm ntn ntr nts ntt rbb rbc rbe rbi rbk rbm rbn rbr rbs rbt rcb rcc rce rci rcm rcn rcr rcs rct re- reb rec ree rei rek rem ren rer res ret rib ric rie rii rik rim rin rir ris rit rkb rkc rke rkk rkm rks rkt rmb rmc rme rmi rmm rmn rmr rms rmt rnb rnc rni rnm rnn rnr rns rnt rrb rrc rri rrk rrm rrn rrr rrs rrt rsb rsc rse rsi rsk rsm rsn rsr rss rst rtb rtc rte rti rtk rtm rtn rtr rts rtt sbb sbc sbe sbi sbk sbm sbn sbr sbs sbt scb scc sce sci sck scm scn scr scs sct se- seb sec see sei sek sem sen ser ses set sib sic sie sii sik sim sin sir sis sit sk- skb skc ske ski skk skm skr sks skt smb smc sme smi smk smm smn smr sms smt snb snc sne sni snk snm snn snr sns snt sr- srb src sre sri srk srm srn srr srs srt ss- ssb ssc sse ssi ssk ssm ssn ssr sss sst stb stc ste sti stk stm stn str sts stt tbb tbc tbe tbi tbk tbm tbn tbr tbs tbt tcb tcc tce tci tck tcm tcn tcr tcs tct te- teb tec tee tei tek tem ten ter tes tet tib tic tie tii tik tim tin tir tis tit tkb tkc tke tkk tkm tkr tks tkt tmb tmc tme tmi tmk tmm tmn tmr tms tmt tnb tnc tne tni tnk tnm tnn tnr tns tnt trb trc tre tri trk trm trn trr trs trt tsb tsc tse tsi tsk tsm tsn tsr tss tst ttb ttc tte tti ttk ttm ttn ttr tts ttt