mps mpt mra mrb mrc mre mrf mri mrm mro mrp mrr mrs mrt msa msb msc mse msf msi msm mso msp msr mss mst mta mtb mtc mte mtf mti mtm mto mtp mtr mts mtt o-i oaa oab oac oae oaf oai oam oao oap oar oas oat ob- oba obb obc obe obf obi obm obo obp obr obs obt oc- oca ocb occ ocf oci ocm oco ocp ocr ocs oct oea oeb oec oee oef oei oem oeo oep oer oes oet of- ofa ofb ofc ofe off ofi ofm ofo ofp ofr ofs oft oia oib oic oie oif oii oim oio oip oir ois oit om- oma omb omc ome omf omi omm omo omp omr oms omt oo- ooa oob ooc oof ooi oom ooo oop oor oos oot op- opa opb opc ope opf opi opm opo opp opr ops opt or- ora orb orc ore orf ori orm oro orp orr ors ort os- osa osb osc ose osf osi osm oso osp osr oss ost ot- ota otb otc ote otf oti otm oto otp otr ots ott p-p paa pab pac pae paf pai pam pao pap par pas pat pba pbb pbc pbe pbf pbi pbm pbo pbp pbr pbs pbt pca pcb pcc pce pcf pci pcm pco pcp pcr pcs pct pea peb pec pee pef pei pem peo pep per pes pet pfa pfb pfc pfe pff pfi pfm pfo pfp pfr pfs pft pia pib pic pie pif pii pim pio pip pir pis pit pma pmb pmc pme pmf pmi pmm pmo pmp pmr pms pmt poa pob poc poe pof poi pom poo pop por pos pot ppa ppb ppc ppe ppf ppi ppm ppo ppp ppr pps ppt pra prb prc pre prf pri prm pro prp prr prs prt ps- psa psb psc pse psf psi psm pso psp psr pss pst pt- pta ptb ptc pte ptf pti ptm pto ptp ptr pts ptt ra- raa rab rac rae raf rai ram rao rap rar ras rat rba rbb rbc rbe rbf rbi rbm rbo rbp rbr rbs rbt rca rcb rcc rce rcf rci rcm rco rcp rcr rcs rct re- rea reb rec ree ref rei rem reo rep rer res ret rfa rfb rfc rfe rff rfi rfm rfo rfp rfr rfs rft ria rib ric rie rif rii rim rio rip rir ris rit rma rmb rmc rme rmf rmi rmm rmo rmp rmr rms rmt roa rob roc roe rof roi rom roo rop ror ros rot rpa rpb rpc rpe rpf rpi rpm rpo rpp rpr rps rpt rra rrb rrc rrf rri rrm rrp rrr rrs rrt rsa rsb rsc rse rsf rsi rsm rso rsp rsr rss rst rta rtb rtc rte rtf rti rtm rto rtp rtr rts rtt saa sab sac sae saf sai sam sao sap sar sas sat sba sbb sbc sbe sbf sbi sbm sbo sbp sbr sbs sbt sca scb scc sce scf sci scm sco scp scr scs sct se- sea seb sec see sef sei sem seo sep ser ses set sfa sfb sfc sfe sff sfi sfm sfo sfp sfr sfs sft sia sib sic sie sif sii sim sio sip sir sis sit sma smb smc sme smf smi smm smo smp smr sms smt soa sob soc soe sof soi som soo sop sor sos sot spa spb spc spe spf spi spm spo spp spr sps spt sr- sra srb src sre srf sri srm sro srp srr srs srt ss- ssa ssb ssc sse ssf ssi ssm sso ssp ssr sss sst sta stb stc ste stf sti stm sto stp str sts stt taa tab tac tae taf tai tam tao tap tar tas tat tba tbb tbc tbe tbf tbi tbm tbo tbp tbr tbs tbt tca tcb tcc tce tcf tci tcm tco tcp tcr tcs tct te- tea teb tec tee tef tei tem teo tep ter tes tet tfa tfb tfc tfe tff tfi tfm tfo tfp tfr tfs tft tia tib tic tie tif tii tim tio tip tir tis tit tma tmb tmc tme tmf tmi tmm tmo tmp tmr tms tmt to- toa tob toc toe tof toi tom too top tor tos tot tpa tpb tpc tpe tpf tpi tpm tpo tpp tpr tps tpt tra trb trc tre trf tri trm tro trp trr trs trt tsa tsb tsc tse tsf tsi tsm tso tsp tsr tss tst tta ttb ttc tte ttf tti ttm tto ttp ttr tts ttt