-ol b-p bbb bbi bbl bbm bbo bbp bbr bi- bib bii bil bim bio bip bir blb bli bll blm blo blp blr bmb bmi bml bmm bmo bmp bmr bob boi bol bom boo bop bor bpb bpi bpl bpm bpo bpp bpr brb bri brl brm bro brp brr ibb ibi ibl ibm ibo ibp ibr iib iii iil iim iio iip iir il- ilb ili ill ilm ilo ilp ilr im- imb imi iml imm imo imp io- iob ioi iol iom ioo iop ior ipb ipi ipl ipm ipo ipp ipr ir- irb iri irl irm iro irp irr l-p lbb lbi lbl lbm lbo lbp lbr lib lii lil lim lio lip lir llb lli lll llm llo llp llr lmb lmi lml lmm lmo lmp lmr lob loi lol lom loo lop lor lpb lpi lpl lpm lpo lpp lpr lrb lri lrm lro lrp lrr m-o m-r mbb mbi mbl mbm mbo mbp mbr mi- mib mii mil mim mio mip mir mlb mli mll mlm mlo mlp mlr mmb mmi mml mmm mmo mmp mmr mob moi mol mom moo mop mor mpb mpi mpl mpm mpo mpp mpr mrb mri mrl mrm mro mrp mrr o-i ob- obb obi obl obm obo obp obr oib oii oil oim oio oip oir olb oli oll olm olo olp om- omb omi oml omm omo omp omr oo- oob ooi ool oom ooo oop oor op- opb opi opl opm opo opp opr or- orb ori orl orm oro orp orr p-p pbb pbi pbl pbm pbo pbp pbr pib pii pil pim pio pip pir plb pli pll plm plo plp plr pmb pmi pml pmm pmo pmp pmr pob poi pol pom poo pop por ppb ppi ppl ppm ppo ppp ppr prb pri prl prm pro prp prr rbb rbi rbl rbm rbo rbp rbr rib rii ril rim rio rip rir rli rll rlm rlo rlp rlr rmb rmi rml rmm rmo rmp rmr rob roi rol rom roo rop ror rpb rpi rpl rpm rpo rpp rpr rrb rri rrl rrm rrp rrr