b-p bbb bbi bbm bbn bbo bbp bbr bbt bi- bib bii bim bin bio bip bir bit bmb bmi bmm bmn bmo bmp bmr bmt bnb bni bnn bno bnp bnr bnt bob boi bom bon boo bop bor bot bpb bpi bpm bpn bpo bpp bpr bpt brb bri brm brn bro brp brr brt btb bti btm btn bto btp btr btt ibb ibi ibm ibn ibo ibp ibr ibt iib iii iim iin iio iip iir iit im- imb imi imm imn imo imp imt in- inb ini inm inn ino inp inr int io- iob ioi iom ion ioo iop ior iot ipb ipi ipm ipn ipo ipp ipr ipt ir- irb iri irm irn iro irp irr irt itb iti itm itn ito itp itt m-o m-r mbb mbi mbm mbo mbp mbr mbt mi- mib mii mim min mio mip mir mit mmb mmi mmm mmn mmo mmp mmr mmt mnb mni mnm mnn mno mnp mnr mnt mob moi mom mon moo mop mor mot mpb mpi mpm mpn mpo mpp mpr mpt mrb mri mrm mrn mro mrp mrr mrt mtb mti mtm mtn mto mtp mtr mtt n-i nbb nbi nbm nbn nbo nbp nbr nbt nib nii nim nin nio nip nir nit nmb nmi nmm nmn nmo nmp nmr nmt nnb nni nnm nnn nno nnp nnt no- nob noi nom non noo nop nor not npb npi npm npn npo npp npr npt nrb nri nrm nrn nro nrp nrr nrt ntb nti ntm ntn nto ntp ntr ntt o-i ob- obb obi obm obn obo obp obr obt oib oii oim oin oio oip oir oit om- omb omi omm omn omo omp omr omt on- onb oni onn ono onp onr ont oo- oob ooi oom oon ooo oop oor oot op- opb opi opm opn opo opp opr opt or- orb ori orm orn oro orp orr ort ot- otb oti otm otn oto otp otr ott p-p pbb pbi pbm pbn pbo pbp pbr pbt pib pii pim pin pio pip pir pit pmb pmi pmm pmn pmo pmp pmr pmt pn- pnb pni pnm pnn pno pnp pnr pnt pob poi pom pon poo pop por pot ppb ppi ppm ppn ppo ppp ppr ppt prb pri prm prn pro prp prr prt pt- ptb pti ptm ptn pto ptp ptr ptt rbb rbi rbm rbn rbo rbp rbr rbt rib rii rim rin rio rip rir rit rmb rmi rmm rmn rmo rmp rmr rmt rnb rni rnm rnn rno rnp rnr rnt rob roi rom ron roo rop ror rot rpb rpi rpm rpn rpo rpp rpr rpt rrb rri rrm rrn rrp rrr rrt rtb rti rtm rtn rto rtp rtr rtt tbb tbi tbm tbn tbo tbp tbr tbt tib tii tim tin tio tip tir tit tmb tmi tmm tmn tmo tmp tmr tmt tnb tni tnm tnn tno tnp tnr tnt to- tob toi tom ton too top tor tot tpb tpi tpm tpn tpo tpp tpr tpt trb tri trm trn tro trp trr trt ttb tti ttm ttn tto ttp ttr ttt