-er -ic b-p bbb bbc bbe bbi bbm bbn bbo bbp bbr bbt bcb bcc bce bci bcm bcn bco bcp bcr bct be- beb bec bee bei bem ben beo bep ber bet bi- bib bic bie bii bim bin bio bip bir bit bmb bmc bme bmi bmm bmn bmo bmp bmr bmt bnb bnc bne bni bnn bno bnp bnr bnt bob boc boe boi bom bon boo bop bor bot bpb bpc bpe bpi bpm bpn bpo bpp bpr bpt brb bre bri brm brn bro brp brr brt btb btc bte bti btm btn bto btp btr btt c-- cbb cbc cbe cbi cbm cbn cbo cbp cbr cbt ccb ccc cce cci ccm ccn cco ccp ccr cct ce- ceb cec cee cei cem cen ceo cep cer cet ci- cib cic cie cii cim cin cio cip cir cit cmb cmc cme cmi cmm cmn cmo cmp cmr cmt cn- cnb cnc cne cni cnm cnn cno cnp cnr cnt co- cob coc coe coi com con coo cop cor cot cpb cpc cpe cpi cpm cpn cpo cpp cpr cpt crb crc cre cri crm crn cro crp crr crt ctb ctc cte cti ctm ctn cto ctp ctr ctt ebb ebc ebe ebi ebm ebn ebo ebp ebr ebt ec- ecb ecc ece eci ecm ecn eco ecr ect eeb eec eee eem een eeo eep eer eet eib eic eie eii eim ein eio eip eir eit em- emb emc eme emi emm emn emo emp emr emt en- enb enc ene eni enm enn eno enp enr ent eo- eob eoc eoe eoi eom eon eoo eop eor eot ep- epb epc epe epi epm epn epo epp epr ept erb erc ere eri erm ern ero erp err ert etb etc ete eti etm etn eto etp etr ett ibb ibc ibe ibi ibm ibn ibo ibp ibr ibt icb icc ice ici icm icn ico icp icr ict ie- iec iee iei iem ien iep ier iet iib iic iie iii iim iin iio iip iir iit im- imb imc ime imi imm imn imo imp imt in- inb inc ine ini inm inn ino inp inr int io- iob ioc ioe ioi iom ion ioo iop ior iot ipb ipc ipe ipi ipm ipn ipo ipp ipr ipt ir- irb irc ire iri irm irn iro irp irr irt itb itc ite iti itm itn ito itp itt m-o m-r mbb mbc mbe mbi mbm mbo mbp mbr mbt mc- mcb mcc mce mci mcm mcn mco mcp mcr mct meb mec mee mei mem men meo mep mer met mi- mib mic mie mii mim min mio mip mir mit mmb mmc mme mmi mmm mmn mmo mmp mmr mmt mnb mnc mne mni mnm mnn mno mnp mnr mnt mob moc moe moi mom mon moo mop mor mot mpb mpc mpe mpi mpm mpn mpo mpp mpr mpt mrb mrc mre mri mrm mrn mro mrp mrr mrt mtb mtc mte mti mtm mtn mto mtp mtr mtt n-i nbb nbc nbe nbi nbm nbn nbo nbp nbr nbt ncb ncc nce nci ncm ncn nco ncp ncr nct ne- neb nec nee nei nem nen neo nep ner net nib nic nie nii nim nin nio nip nir nit nmb nmc nme nmi nmm nmn nmo nmp nmr nmt nnb nnc nne nni nnm nnn nno nnp nnt no- nob noc noe noi nom non noo nop nor not npb npc npe npi npm npn npo npp npr npt nrb nrc nre nri nrm nrn nro nrp nrr nrt ntb ntc nte nti ntm ntn nto ntp ntr ntt o-i ob- obb obc obe obi obm obn obo obp obr obt oc- ocb occ oci ocm ocn oco ocp ocr oct oeb oec oee oei oem oen oeo oep oer oet oib oic oie oii oim oin oio oip oir oit om- omb omc ome omi omm omn omo omp omr omt on- onb onc one oni onn ono onp onr ont oo- oob ooc ooi oom oon ooo oop oor oot op- opb opc ope opi opm opn opo opp opr opt or- orb orc ore ori orm orn oro orp orr ort ot- otb otc ote oti otm otn oto otp otr ott p-p pbb pbc pbe pbi pbm pbn pbo pbp pbr pbt pcb pcc pce pci pcm pcn pco pcp pcr pct peb pec pee pei pem pen peo pep per pet pib pic pie pii pim pin pio pip pir pit pmb pmc pme pmi pmm pmn pmo pmp pmr pmt pn- pnb pnc pne pni pnm pnn pno pnp pnr pnt pob poc poe poi pom pon poo pop por pot ppb ppc ppe ppi ppm ppn ppo ppp ppr ppt prb prc pre pri prm prn pro prp prr prt pt- ptb ptc pte pti ptm ptn pto ptp ptr ptt rbb rbc rbe rbi rbm rbn rbo rbp rbr rbt rcb rcc rce rci rcm rcn rco rcp rcr rct re- reb rec ree rei rem ren reo rep rer ret rib ric rie rii rim rin rio rip rir rit rmb rmc rme rmi rmm rmn rmo rmp rmr rmt rnb rnc rni rnm rnn rno rnp rnr rnt rob roc roe roi rom ron roo rop ror rot rpb rpc rpe rpi rpm rpn rpo rpp rpr rpt rrb rrc rri rrm rrn rrp rrr rrt rtb rtc rte rti rtm rtn rto rtp rtr rtt tbb tbc tbe tbi tbm tbn tbo tbp tbr tbt tcb tcc tce tci tcm tcn tco tcp tcr tct te- teb tec tee tei tem ten teo tep ter tet tib tic tie tii tim tin tio tip tir tit tmb tmc tme tmi tmm tmn tmo tmp tmr tmt tnb tnc tne tni tnm tnn tno tnp tnr tnt to- tob toc toe toi tom ton too top tor tot tpb tpc tpe tpi