mpm mpo mpp mpr mps mpt mra mrb mrc mre mri mrl mrm mro mrp mrr mrs mrt msa msb msc mse msi msl msm mso msp msr mss mst mta mtb mtc mte mti mtl mtm mto mtp mtr mts mtt o-i oaa oab oac oae oai oal oam oao oap oar oas oat ob- oba obb obc obe obi obl obm obo obp obr obs obt oc- oca ocb occ oci ocl ocm oco ocp ocr ocs oct oea oeb oec oee oei oel oem oeo oep oer oes oet oia oib oic oie oii oil oim oio oip oir ois oit ola olb olc ole oli oll olm olo olp ols olt om- oma omb omc ome omi oml omm omo omp omr oms omt oo- ooa oob ooc ooi ool oom ooo oop oor oos oot op- opa opb opc ope opi opl opm opo opp opr ops opt or- ora orb orc ore ori orl orm oro orp orr ors ort os- osa osb osc ose osi osl osm oso osp osr oss ost ot- ota otb otc ote oti otl otm oto otp otr ots ott p-p paa pab pac pae pai pal pam pao pap par pas pat pba pbb pbc pbe pbi pbl pbm pbo pbp pbr pbs pbt pca pcb pcc pce pci pcl pcm pco pcp pcr pcs pct pea peb pec pee pei pel pem peo pep per pes pet pia pib pic pie pii pil pim pio pip pir pis pit pla plb plc ple pli pll plm plo plp plr pls plt pma pmb pmc pme pmi pml pmm pmo pmp pmr pms pmt poa pob poc poe poi pol pom poo pop por pos pot ppa ppb ppc ppe ppi ppl ppm ppo ppp ppr pps ppt pra prb prc pre pri prl prm pro prp prr prs prt ps- psa psb psc pse psi psl psm pso psp psr pss pst pt- pta ptb ptc pte pti ptl ptm pto ptp ptr pts ptt ra- raa rab rac rae rai ral ram rao rap rar ras rat rba rbb rbc rbe rbi rbl rbm rbo rbp rbr rbs rbt rca rcb rcc rce rci rcl rcm rco rcp rcr rcs rct re- rea reb rec ree rei rel rem reo rep rer res ret ria rib ric rie rii ril rim rio rip rir ris rit rla rlc rle rli rll rlm rlo rlp rlr rls rlt rma rmb rmc rme rmi rml rmm rmo rmp rmr rms rmt roa rob roc roe roi rol rom roo rop ror ros rot rpa rpb rpc rpe rpi rpl rpm rpo rpp rpr rps rpt rra rrb rrc rri rrl rrm rrp rrr rrs rrt rsa rsb rsc rse rsi rsl rsm rso rsp rsr rss rst rta rtb rtc rte rti rtl rtm rto rtp rtr rts rtt saa sab sac sae sai sal sam sao sap sar sas sat sba sbb sbc sbe sbi sbl sbm sbo sbp sbr sbs sbt sca scb scc sce sci scl scm sco scp scr scs sct se- sea seb sec see sei sel sem seo sep ser ses set sia sib sic sie sii sil sim sio sip sir sis sit sla slb slc sle sli sll slm slo slp slr sls slt sma smb smc sme smi sml smm smo smp smr sms smt soa sob soc soe soi sol som soo sop sor sos sot spa spb spc spe spi spl spm spo spp spr sps spt sr- sra srb src sre sri srl srm sro srp srr srs srt ss- ssa ssb ssc sse ssi ssl ssm sso ssp ssr sss sst sta stb stc ste sti stl stm sto stp str sts stt taa tab tac tae tai tal tam tao tap tar tas tat tba tbb tbc tbe tbi tbl tbm tbo tbp tbr tbs tbt tca tcb tcc tce tci tcl tcm tco tcp tcr tcs tct te- tea teb tec tee tei tel tem teo tep ter tes tet tia tib tic tie tii til tim tio tip tir tis tit tla tlc tle tli tll tlm tlo tlp tlr tls tlt tma tmb tmc tme tmi tml tmm tmo tmp tmr tms tmt to- toa tob toc toe toi tol tom too top tor tos tot tpa tpb tpc tpe tpi tpl tpm tpo tpp tpr tps tpt tra trb trc tre tri trl trm tro trp trr trs trt tsa tsb tsc tse tsi tsl tsm tso tsp tsr tss tst tta ttb ttc tte tti ttl ttm tto ttp ttr tts ttt