lra lrb lrc lrd lri lrn lrp lrr lrt lru lta ltb ltc ltd lte lti ltl ltp ltr ltt ltu lua lub luc lud lue lui lul lun lup lur lut luu n-i naa nab nac nad nae nai nal nan nap nar nat nau nba nbb nbc nbd nbe nbi nbl nbn nbp nbr nbt nbu nca ncb ncc ncd nce nci ncl ncn ncp ncr nct ncu nda ndb ndc ndd nde ndi ndl ndn ndp ndr ndt ndu ne- nea neb nec ned nee nei nel nen nep ner net neu nia nib nic nid nie nii nil nin nip nir nit niu nla nlb nlc nld nle nli nll nln nlp nlr nlt nlu nna nnb nnc nne nni nnl nnn nnp nnt nnu npa npb npc npd npe npi npl npn npp npr npt npu nra nrb nrc nrd nre nri nrl nrn nrp nrr nrt nru nta ntb ntc ntd nte nti ntn ntp ntr ntt ntu nua nub nuc nud nue nui nul nun nup nur nut nuu p-p paa pab pac pad pae pai pal pan pap par pat pau pba pbb pbc pbd pbe pbi pbl pbn pbp pbr pbt pbu pca pcb pcc pcd pce pci pcl pcn pcp pcr pct pcu pda pdb pdc pdd pde pdi pdl pdn pdp pdr pdt pdu pea peb pec ped pee pei pel pen pep per pet peu pia pib pic pid pie pii pil pin pip pir pit piu pla plb plc pld ple pli pll pln plp plr plt plu pn- pna pnb pnc pnd pne pni pnl pnn pnp pnr pnt pnu ppa ppb ppc ppd ppe ppi ppl ppn ppp ppr ppt ppu pra prb prc prd pre pri prl prn prp prr prt pru pt- pta ptb ptc ptd pte pti ptl ptn ptp ptr ptt ptu pua pub puc pud pue pui pul pun pup pur put puu ra- raa rab rac rad rae rai ral ran rap rar rat rau rba rbb rbc rbd rbe rbi rbl rbn rbp rbr rbt rbu rca rcb rcc rcd rce rci rcl rcn rcp rcr rct rcu rda rdb rdc rdd rde rdi rdl rdn rdp rdr rdt rdu re- rea reb rec red ree rei rel ren rep rer ret reu ria rib ric rid rie rii ril rin rip rir rit rla rlc rld rle rli rll rln rlp rlr rlt rlu rna rnb rnc rnd rni rnn rnp rnr rnt rnu rpa rpb rpc rpd rpe rpi rpl rpn rpp rpr rpt rpu rra rrb rrc rrd rri rrl rrn rrp rrr rrt rru rta rtb rtc rtd rte rti rtl rtn rtp rtr rtt rtu rua rub ruc rud rue rui run rup rur rut ruu taa tab tac tad tae tai tal tan tap tar tat tau tba tbb tbc tbd tbe tbi tbl tbn tbp tbr tbt tbu tca tcb tcc tcd tce tci tcl tcn tcp tcr tct tcu tda tdb tdc tdd tde tdi tdl tdn tdp tdr tdt tdu te- tea teb tec ted tee tei tel ten tep ter tet teu tia tib tic tid tie tii til tin tip tir tit tiu tla tlc tld tle tli tll tln tlp tlr tlt tlu tna tnb tnc tnd tne tni tnl tnn tnp tnr tnt tpa tpb tpc tpd tpe tpi tpl tpn tpp tpr tpt tpu tra trb trc trd tre tri trl trn trp trr trt tru tta ttb ttc ttd tte tti ttl ttn ttp ttr ttt ttu tua tub tuc tud tue tui tul tun tup tur tut tuu ua- uaa uab uac uad uae uai ual uan uap uar uat uau uba ubb ubc ube ubi ubl ubn ubp ubr ubt ubu uca ucb ucc ucd uce uci ucl ucn ucp ucr uct ucu uda udb udc udd ude udi udl udn udp udr udt udu uea ueb uec ued uee uei uel uen uep uer uet uia uib uic uid uie uii uil uin uip uir uit uiu ula ulb ulc uld ule uli ull uln ulp ulr ult ulu un- una unb unc und une uni unl unn unp unr unt unu up- upa upb upc upd upe upi upn upp upr upt upu ur- ura urb urc urd ure uri url urn urp urr urt uru uta utb utc utd ute uti utl utn utp utr utt utu uua uuc uue uun uur uut uuu