ipp ipr ips ir- ira irb irc ire irf iri irm iro irp irr irs is- isa isb isc ise isf ish isi ism iso isp isr iss m-f m-o m-r maa mab mac mae maf mah mai mam mao map mar mas mba mbb mbc mbe mbf mbh mbi mbm mbo mbp mbr mbs mc- mca mcb mcc mce mcf mch mci mcm mco mcp mcr mcs mea meb mec mee mef meh mei mem meo mep mer mes mfa mfb mfc mfe mff mfh mfi mfm mfo mfp mfr mfs mha mhc mhf mhh mhi mhm mho mhp mhr mhs mi- mia mib mic mie mif mih mii mim mio mip mir mis mma mmb mmc mme mmf mmh mmi mmm mmo mmp mmr mms moa mob moc moe mof moh moi mom moo mop mor mos mpa mpb mpc mpe mpf mph mpi mpm mpo mpp mpr mps mra mrb mrc mre mrf mrh mri mrm mro mrp mrr mrs msa msb msc mse msf msh msi msm mso msp msr mss o-i oaa oab oac oae oaf oah oai oam oao oap oar oas ob- oba obb obc obe obf obh obi obm obo obp obr obs oc- oca ocb occ ocf och oci ocm oco ocp ocr ocs oea oeb oec oee oef oeh oei oem oeo oep oer oes of- ofa ofb ofc ofe off ofi ofm ofo ofp ofr ofs oha ohc ohe ohf ohh ohi ohm oho ohp ohr ohs oia oib oic oie oif oii oim oio oip oir ois om- oma omb omc ome omf omh omi omm omo omp omr oms oo- ooa oob ooc oof ooh ooi oom ooo oop oor oos op- opa opb opc ope opf oph opi opm opo opp opr ops or- ora orb orc ore orf orh ori orm oro orp orr ors os- osa osb osc ose osf osh osi osm oso osp osr oss p-p paa pab pac pae paf pah pai pam pao pap par pas pba pbb pbc pbe pbf pbi pbm pbo pbp pbr pbs pca pcb pcc pce pcf pch pci pcm pco pcp pcr pcs pea peb pec pee pef peh pei pem peo pep per pes pfa pfb pfc pfe pff pfi pfm pfo pfp pfr pfs pha phb phc phe phf phi phm pho php phr phs pia pib pic pie pif pih pii pim pio pip pir pis pma pmb pmc pme pmf pmh pmi pmm pmo pmp pmr pms poa pob poc poe pof poh poi pom poo pop por pos ppa ppb ppc ppe ppf pph ppi ppm ppo ppp ppr pps pra prb prc pre prf prh pri prm pro prp prr prs ps- psa psb psc pse psf psh psi psm pso psp psr pss ra- raa rab rac rae raf rah rai ram rao rap rar ras rba rbb rbc rbe rbf rbh rbi rbm rbo rbp rbr rbs rca rcb rcc rce rcf rch rci rcm rco rcp rcr rcs re- rea reb rec ree ref reh rei rem reo rep rer res rfa rfb rfc rfe rff rfh rfi rfm rfo rfp rfr rfs rh- rha rhb rhc rhe rhf rhh rhi rhm rho rhp rhr rhs ria rib ric rie rif rih rii rim rio rip rir ris rma rmb rmc rme rmf rmh rmi rmm rmo rmp rmr rms roa rob roc roe rof roh roi rom roo rop ror ros rpa rpb rpc rpe rpf rph rpi rpm rpo rpp rpr rps rra rrb rrc rrf rrh rri rrm rrp rrr rrs rsa rsb rsc rse rsf rsh rsi rsm rso rsp rsr rss saa sab sac sae saf sah sai sam sao sap sar sas sba sbb sbc sbe sbf sbh sbi sbm sbo sbp sbr sbs sca scb scc sce scf sch sci scm sco scp scr scs se- sea seb sec see sef seh sei sem seo sep ser ses sfa sfb sfc sfe sff sfh sfi sfm sfo sfp sfr sfs sh- sha shb shc she shf shh shi shm sho shp shr shs sia sib sic sie sif sih sii sim sio sip sir sis sma smb smc sme smf smh smi smm smo smp smr sms soa sob soc soe sof soh soi som soo sop sor sos spa spb spc spe spf sph spi spm spo spp spr sps sr- sra srb src sre srf srh sri srm sro srp srr srs ss- ssa ssb ssc sse ssf ssh ssi ssm sso ssp ssr sss