-er -ic -up b-p b-u bbb bbc bbe bbi bbm bbn bbo bbp bbr bbs bbu bcb bcc bce bci bcm bcn bco bcp bcr bcs bcu be- beb bec bee bei bem ben beo bep ber bes beu bi- bib bic bie bii bim bin bio bip bir bis biu bmb bmc bme bmi bmm bmn bmo bmp bmr bms bmu bnb bnc bne bni bnn bno bnp bnr bns bnu bob boc boe boi bom bon boo bop bor bos bou bpb bpc bpe bpi bpm bpn bpo bpp bpr bps bpu brb bre bri brm brn bro brp brr brs bru bsb bsc bse bsi bsm bsn bso bsp bsr bss bsu bub buc bue bui bum bun buo bup bur bus buu c-- cbb cbc cbe cbi cbm cbn cbo cbp cbr cbs cbu ccb ccc cce cci ccm ccn cco ccp ccr ccs ccu ce- ceb cec cee cei cem cen ceo cep cer ces ceu ci- cib cic cie cii cim cin cio cip cir cis ciu cmb cmc cme cmi cmm cmn cmo cmp cmr cms cmu cn- cnb cnc cne cni cnm cnn cno cnp cnr cns cnu co- cob coc coe coi com con coo cop cor cos cou cpb cpc cpe cpi cpm cpn cpo cpp cpr cps cpu crb crc cre cri crm crn cro crp crr crs cru csb csc cse csi csm csn cso csp csr css csu cub cuc cue cui cum cun cuo cup cur cus cuu ebb ebc ebe ebi ebm ebn ebo ebp ebr ebs ebu ec- ecb ecc ece eci ecm ecn eco ecr ecs ecu eeb eec eee eem een eeo eep eer ees eib eic eie eii eim ein eio eip eir eis eiu em- emb emc eme emi emm emn emo emp emr ems emu en- enb enc ene eni enm enn eno enp enr ens enu eo- eob eoc eoe eoi eom eon eoo eop eor eos eou ep- epb epc epe epi epm epn epo epp epr eps epu erb erc ere eri erm ern ero erp err ers eru es- esb esc ese esi esm esn eso esp esr ess esu eu- eub euc eue eui eun eup eur eus ibb ibc ibe ibi ibm ibn ibo ibp ibr ibs ibu icb icc ice ici icm icn ico icp icr ics icu ie- iec iee iei iem ien iep ier ies iib iic iie iii iim iin iio iip iir iis iiu im- imb imc ime imi imm imn imo imp ims imu in- inb inc ine ini inm inn ino inp inr ins inu io- iob ioc ioe ioi iom ion ioo iop ior ios iou ipb ipc ipe ipi ipm ipn ipo ipp ipr ips ipu ir- irb irc ire iri irm irn iro irp irr irs iru is- isb isc ise isi ism isn iso isp isr iss isu iu- iub iuc iue iui ium iup iur ius m-o m-r mbb mbc mbe mbi mbm mbo mbp mbr mbs mbu mc- mcb mcc mce mci mcm mcn mco mcp mcr mcs mcu meb mec mee mei mem men meo mep mer mes meu mi- mib mic mie mii mim min mio mip mir mis miu mmb mmc mme mmi mmm mmn mmo mmp mmr mms mmu mnb mnc mne mni mnm mnn mno mnp mnr mns mnu mob moc moe moi mom mon moo mop mor mos mou mpb mpc mpe mpi mpm mpn mpo mpp mpr mps mpu mrb mrc mre mri mrm mrn mro mrp mrr mrs mru msb msc mse msi msm msn mso msp msr mss msu mub muc mue mui mum mun mup mur mus muu n-i nbb nbc nbe nbi nbm nbn nbo nbp nbr nbs nbu ncb ncc nce nci ncm ncn nco ncp ncr ncs ncu ne- neb nec nee nei nem nen neo nep ner nes neu nib nic nie nii nim nin nio nip nir nis niu nmb nmc nme nmi nmm nmn nmo nmp nmr nms nmu nnb nnc nne nni nnm nnn nno nnp nns nnu no- nob noc noe noi nom non noo nop nor nos nou npb npc npe npi npm npn npo npp npr nps npu nrb nrc nre nri nrm nrn nro nrp nrr nrs nru nsb nsc nse nsi nsm nsn nso nsp nsr nss nsu nub nuc nue nui num nun nuo nup nur nus nuu o-i ob- obb obc obe obi obm obn obo obp obr obs obu oc- ocb occ oci ocm ocn oco ocp ocr ocs ocu oeb oec oee oei oem oen oeo oep oer oes oib oic oie oii oim oin oio oip oir ois oiu om- omb omc ome omi omm omn omo omp omr oms omu on- onb onc one oni onn ono onp onr ons onu oo- oob ooc ooi oom oon ooo oop oor oos op- opb opc ope opi opm opn opo opp opr ops or- orb orc ore ori orm orn oro orp orr ors oru os- osb osc ose osi osm osn oso osp osr oss osu ou- ouc oue oui oum oun ouo oup our ous p-p pbb pbc pbe pbi pbm pbn pbo pbp pbr pbs pbu pcb pcc pce pci pcm pcn pco pcp pcr pcs pcu peb pec pee pei pem pen peo pep per pes peu pib pic pie pii pim pin pio pip pir pis piu pmb pmc pme pmi pmm pmn pmo pmp pmr pms pmu pn- pnb pnc pne pni pnm pnn pno pnp pnr pns pnu pob poc poe poi pom pon poo pop por pos pou ppb ppc ppe ppi ppm ppn ppo ppp ppr pps ppu prb prc pre pri prm prn pro prp prr prs pru ps- psb psc pse psi psm psn pso psp psr pss psu pub puc pue pui pum pun pup pur pus puu rbb rbc rbe rbi rbm rbn rbo rbp rbr rbs rbu rcb rcc