-ic b-p bbb bbc bbi bbm bbn bbo bbp bbr bcb bcc bci bcm bcn bco bcp bcr bi- bib bic bii bim bin bio bip bir bmb bmc bmi bmm bmn bmo bmp bmr bnb bnc bni bnn bno bnp bnr bob boc boi bom bon boo bop bor bpb bpc bpi bpm bpn bpo bpp bpr brb bri brm brn bro brp brr c-- cbb cbc cbi cbm cbn cbo cbp cbr ccb ccc cci ccm ccn cco ccp ccr ci- cib cic cii cim cin cio cip cir cmb cmc cmi cmm cmn cmo cmp cmr cn- cnb cnc cni cnm cnn cno cnp cnr co- cob coc coi com con coo cop cor cpb cpc cpi cpm cpn cpo cpp cpr crb crc cri crm crn cro crp crr ibb ibc ibi ibm ibn ibo ibp ibr icb icc ici icm icn ico icp icr iib iic iii iim iin iio iip iir im- imb imc imi imm imn imo imp in- inb inc ini inm inn ino inp inr io- iob ioc ioi iom ion ioo iop ior ipb ipc ipi ipm ipn ipo ipp ipr ir- irb irc iri irm irn iro irp irr m-o m-r mbb mbc mbi mbm mbo mbp mbr mc- mcb mcc mci mcm mcn mco mcp mcr mi- mib mic mii mim min mio mip mir mmb mmc mmi mmm mmn mmo mmp mmr mnb mnc mni mnm mnn mno mnp mnr mob moc moi mom mon moo mop mor mpb mpc mpi mpm mpn mpo mpp mpr mrb mrc mri mrm mrn mro mrp mrr n-i nbb nbc nbi nbm nbn nbo nbp nbr ncb ncc nci ncm ncn nco ncp ncr nib nic nii nim nin nio nip nir nmb nmc nmi nmm nmn nmo nmp nmr nnb nnc nni nnm nnn nno nnp no- nob noc noi nom non noo nop nor npb npc npi npm npn npo npp npr nrb nrc nri nrm nrn nro nrp nrr o-i ob- obb obc obi obm obn obo obp obr oc- ocb occ oci ocm ocn oco ocp ocr oib oic oii oim oin oio oip oir om- omb omc omi omm omn omo omp omr on- onb onc oni onn ono onp onr oo- oob ooc ooi oom oon ooo oop oor op- opb opc opi opm opn opo opp opr or- orb orc ori orm orn oro orp orr p-p pbb pbc pbi pbm pbn pbo pbp pbr pcb pcc pci pcm pcn pco pcp pcr pib pic pii pim pin pio pip pir pmb pmc pmi pmm pmn pmo pmp pmr pn- pnb pnc pni pnm pnn pno pnp pnr pob poc poi pom pon poo pop por ppb ppc ppi ppm ppn ppo ppp ppr prb prc pri prm prn pro prp prr rbb rbc rbi rbm rbn rbo rbp rbr rcb rcc rci rcm rcn rco rcp rcr rib ric rii rim rin rio rip rir rmb rmc rmi rmm rmn rmo rmp rmr rnb rnc rni rnm rnn rno rnp rnr rob roc roi rom ron roo rop ror rpb rpc rpi rpm rpn rpo rpp rpr rrb rrc rri rrm rrn rrp rrr