lpi lpl lpn lpp lpr lps lpt lra lrb lrc lrd lri lrn lrp lrr lrs lrt lsa lsb lsc lsd lse lsi lsl lsn lsp lsr lss lst lta ltb ltc ltd lte lti ltl ltp ltr lts ltt n-i naa nab nac nad nae nai nal nan nap nar nas nat nba nbb nbc nbd nbe nbi nbl nbn nbp nbr nbs nbt nca ncb ncc ncd nce nci ncl ncn ncp ncr ncs nct nda ndb ndc ndd nde ndi ndl ndn ndp ndr nds ndt ne- nea neb nec ned nee nei nel nen nep ner nes net nia nib nic nid nie nii nil nin nip nir nis nit nla nlb nlc nld nle nli nll nln nlp nlr nls nlt nna nnb nnc nne nni nnl nnn nnp nns nnt npa npb npc npd npe npi npl npn npp npr nps npt nra nrb nrc nrd nre nri nrl nrn nrp nrr nrs nrt nsa nsb nsc nsd nse nsi nsl nsn nsp nsr nss nst nta ntb ntc ntd nte nti ntn ntp ntr nts ntt p-p paa pab pac pad pae pai pal pan pap par pas pat pba pbb pbc pbd pbe pbi pbl pbn pbp pbr pbs pbt pca pcb pcc pcd pce pci pcl pcn pcp pcr pcs pct pda pdb pdc pdd pde pdi pdl pdn pdp pdr pds pdt pea peb pec ped pee pei pel pen pep per pes pet pia pib pic pid pie pii pil pin pip pir pis pit pla plb plc pld ple pli pll pln plp plr pls plt pn- pna pnb pnc pnd pne pni pnl pnn pnp pnr pns pnt ppa ppb ppc ppd ppe ppi ppl ppn ppp ppr pps ppt pra prb prc prd pre pri prl prn prp prr prs prt ps- psa psb psc psd pse psi psl psn psp psr pss pst pt- pta ptb ptc ptd pte pti ptl ptn ptp ptr pts ptt ra- raa rab rac rad rae rai ral ran rap rar ras rat rba rbb rbc rbd rbe rbi rbl rbn rbp rbr rbs rbt rca rcb rcc rcd rce rci rcl rcn rcp rcr rcs rct rda rdb rdc rdd rde rdi rdl rdn rdp rdr rds rdt re- rea reb rec red ree rei rel ren rep rer res ret ria rib ric rid rie rii ril rin rip rir ris rit rla rlc rld rle rli rll rln rlp rlr rls rlt rna rnb rnc rnd rni rnn rnp rnr rns rnt rpa rpb rpc rpd rpe rpi rpl rpn rpp rpr rps rpt rra rrb rrc rrd rri rrl rrn rrp rrr rrs rrt rsa rsb rsc rsd rse rsi rsl rsn rsp rsr rss rst rta rtb rtc rtd rte rti rtl rtn rtp rtr rts rtt saa sab sac sad sae sai sal san sap sar sas sat sba sbb sbc sbd sbe sbi sbl sbn sbp sbr sbs sbt sca scb scc scd sce sci scl scn scp scr scs sct sda sdb sdc sdd sde sdi sdl sdn sdp sdr sds sdt se- sea seb sec sed see sei sel sen sep ser ses set sia sib sic sid sie sii sil sin sip sir sis sit sla slb slc sld sle sli sll sln slp slr sls slt sna snb snc snd sne sni snl snn snp snr sns snt spa spb spc spd spe spi spl spn spp spr sps spt sr- sra srb src srd sre sri srl srn srp srr srs srt ss- ssa ssb ssc ssd sse ssi ssl ssn ssp ssr sss sst sta stb stc std ste sti stl stn stp str sts stt taa tab tac tad tae tai tal tan tap tar tas tat tba tbb tbc tbd tbe tbi tbl tbn tbp tbr tbs tbt tca tcb tcc tcd tce tci tcl tcn tcp tcr tcs tct tda tdb tdc tdd tde tdi tdl tdn tdp tdr tds tdt te- tea teb tec ted tee tei tel ten tep ter tes tet tia tib tic tid tie tii til tin tip tir tis tit tla tlc tld tle tli tll tln tlp tlr tls tlt tna tnb tnc tnd tne tni tnl tnn tnp tnr tns tnt tpa tpb tpc tpd tpe tpi tpl tpn tpp tpr tps tpt tra trb trc trd tre tri trl trn trp trr trs trt tsa tsb tsc tsd tse tsi tsl tsn tsp tsr tss tst tta ttb ttc ttd tte tti ttl ttn ttp ttr tts ttt