irb irc ire irf iri irl irm iro irp irr irs iru is- isa isb isc ise isf isi isl ism iso isp isr iss isu iu- iua iub iuc iue iui ium iup iur ius l-p la- laa lab lac lae laf lai lal lam lao lap lar las lau lba lbb lbc lbe lbf lbi lbl lbm lbo lbp lbr lbs lbu lca lcb lcc lce lcf lci lcl lcm lco lcp lcr lcs lcu lea leb lec lee lef lei lel lem leo lep ler les leu lfa lfb lfc lfe lff lfi lfl lfm lfo lfp lfr lfs lfu lia lib lic lie lif lii lil lim lio lip lir lis liu lla llb llc lle llf lli lll llm llo llp llr lls llu lma lmb lmc lme lmf lmi lml lmm lmo lmp lmr lms lmu loa lob loc loe lof loi lol lom loo lop lor los lou lpa lpb lpc lpe lpf lpi lpl lpm lpo lpp lpr lps lpu lra lrb lrc lrf lri lrm lro lrp lrr lrs lru lsa lsb lsc lse lsf lsi lsl lsm lso lsp lsr lss lsu lua lub luc lue luf lui lul lum luo lup lur lus luu m-f m-o m-r maa mab mac mae maf mai mal mam mao map mar mas mau mba mbb mbc mbe mbf mbi mbl mbm mbo mbp mbr mbs mbu mc- mca mcb mcc mce mcf mci mcl mcm mco mcp mcr mcs mcu mea meb mec mee mef mei mel mem meo mep mer mes meu mfa mfb mfc mfe mff mfi mfl mfm mfo mfp mfr mfs mfu mi- mia mib mic mie mif mii mil mim mio mip mir mis miu mla mlb mlc mle mlf mli mll mlm mlo mlp mlr mls mlu mma mmb mmc mme mmf mmi mml mmm mmo mmp mmr mms mmu moa mob moc moe mof moi mol mom moo mop mor mos mou mpa mpb mpc mpe mpf mpi mpl mpm mpo mpp mpr mps mpu mra mrb mrc mre mrf mri mrl mrm mro mrp mrr mrs mru msa msb msc mse msf msi msl msm mso msp msr mss msu mua mub muc mue muf mui mul mum mup mur mus muu o-i oaa oab oac oae oaf oai oal oam oao oap oar oas oau ob- oba obb obc obe obf obi obl obm obo obp obr obs obu oc- oca ocb occ ocf oci ocl ocm oco ocp ocr ocs ocu oea oeb oec oee oef oei oel oem oeo oep oer oes of- ofa ofb ofc ofe off ofi ofl ofm ofo ofp ofr ofs ofu oia oib oic oie oif oii oil oim oio oip oir ois oiu ola olb olc ole olf oli oll olm olo olp ols olu om- oma omb omc ome omf omi oml omm omo omp omr oms omu oo- ooa oob ooc oof ooi ool oom ooo oop oor oos op- opa opb opc ope opf opi opl opm opo opp opr ops or- ora orb orc ore orf ori orl orm oro orp orr ors oru os- osa osb osc ose osf osi osl osm oso osp osr oss osu ou- oua ouc oue ouf oui oul oum ouo oup our ous p-p paa pab pac pae paf pai pal pam pao pap par pas pau pba pbb pbc pbe pbf pbi pbl pbm pbo pbp pbr pbs pbu pca pcb pcc pce pcf pci pcl pcm pco pcp pcr pcs pcu pea peb pec pee pef pei pel pem peo pep per pes peu pfa pfb pfc pfe pff pfi pfl pfm pfo pfp pfr pfs pfu pia pib pic pie pif pii pil pim pio pip pir pis piu pla plb plc ple plf pli pll plm plo plp plr pls plu pma pmb pmc pme pmf pmi pml pmm pmo pmp pmr pms pmu poa pob poc poe pof poi pol pom poo pop por pos pou ppa ppb ppc ppe ppf ppi ppl ppm ppo ppp ppr pps ppu pra prb prc pre prf pri prl prm pro prp prr prs pru ps- psa psb psc pse psf psi psl psm pso psp psr pss psu pua pub puc pue puf pui pul pum pup pur pus puu ra- raa rab rac rae raf rai ral ram rao rap rar ras rau rba rbb rbc rbe rbf rbi rbl rbm rbo rbp rbr rbs rbu rca rcb rcc rce rcf rci rcl rcm rco rcp rcr rcs rcu re- rea reb rec ree ref rei rel rem reo rep rer res reu rfa rfb rfc rfe rff rfi rfl rfm rfo rfp rfr rfs rfu ria rib ric rie rif rii ril rim rio rip rir ris rla rlc rle rlf rli rll rlm rlo rlp rlr rls rlu rma rmb rmc rme rmf rmi rml rmm rmo rmp rmr rms roa rob roc roe rof roi rol rom roo rop ror ros rou rpa rpb rpc rpe rpf rpi rpl rpm rpo rpp rpr rps rpu rra rrb rrc rrf rri rrl rrm rrp rrr rrs rru rsa rsb rsc rse rsf rsi rsl rsm rso rsp rsr rss rsu rua rub ruc rue ruf rui rum ruo rup rur rus ruu saa sab sac sae saf sai sal sam sao sap sar sas sau sba sbb sbc sbe sbf sbi sbl sbm sbo sbp sbr sbs sbu sca scb scc sce scf sci scl scm sco scp scr scs scu se- sea seb sec see sef sei sel sem seo sep ser ses seu sfa sfb sfc sfe sff sfi sfl sfm sfo sfp sfr sfs sfu sia sib sic sie sif sii sil sim sio sip sir sis siu sla slb slc sle slf sli sll slm slo slp slr sls slu sma smb smc sme smf smi sml smm smo smp smr sms smu soa sob soc soe sof soi sol som soo sop sor