ir- ira irb irc ird irg iri irl irn iro irp irr irt iru ita itb itc itd itg iti itl itn ito itp itt itu iu- iua iub iuc iud iug iui iup iur iut l-p la- laa lab lac lad lag lai lal lan lao lap lar lat lau lba lbb lbc lbd lbg lbi lbl lbo lbp lbr lbt lbu lca lcb lcc lcd lcg lci lcl lcn lco lcp lcr lct lcu lda ldb ldc ldd ldg ldi ldl ldn ldo ldp ldr ldt ldu lga lgb lgc lgd lgg lgi lgl lgn lgo lgp lgr lgt lgu lia lib lic lid lig lii lil lin lio lip lir lit liu lla llb llc lld llg lli lll lln llo llp llr llt llu lna lnb lnc lnd lng lni lnl lnn lno lnp lnr lnt lnu loa lob loc lod log loi lol lon loo lop lor lot lou lpa lpb lpc lpd lpg lpi lpl lpn lpo lpp lpr lpt lpu lra lrb lrc lrd lrg lri lrn lro lrp lrr lrt lru lta ltb ltc ltd ltg lti ltl lto ltp ltr ltt ltu lua lub luc lud lug lui lul lun luo lup lur lut luu n-i naa nab nac nad nag nai nal nan nao nap nar nat nau nba nbb nbc nbd nbg nbi nbl nbn nbo nbp nbr nbt nbu nca ncb ncc ncd ncg nci ncl ncn nco ncp ncr nct ncu nda ndb ndc ndd ndg ndi ndl ndn ndo ndp ndr ndt ndu nga ngb ngc ngd ngg ngi ngl ngn ngo ngp ngt ngu nia nib nic nid nig nii nil nin nio nip nir nit niu nla nlb nlc nld nlg nli nll nln nlo nlp nlr nlt nlu nna nnb nnc nng nni nnl nnn nno nnp nnt nnu no- noa nob noc nod nog noi nol non noo nop nor not nou npa npb npc npd npg npi npl npn npo npp npr npt npu nra nrb nrc nrd nrg nri nrl nrn nro nrp nrr nrt nru nta ntb ntc ntd ntg nti ntn nto ntp ntr ntt ntu nua nub nuc nud nug nui nul nun nuo nup nur nut nuu o-i oaa oab oac oad oag oai oal oan oao oap oar oat oau ob- oba obb obc obd obg obi obl obn obo obp obr obt obu oc- oca ocb occ ocd ocg oci ocl ocn oco ocp ocr oct ocu oda odb odc odd odg odi odl odn odo odp odr odt odu oga ogc ogd ogg ogi ogl ogn ogo ogp ogt oia oib oic oid oii oil oin oio oip oir oit oiu ola olb olc old olg oli oll oln olo olp olt olu on- ona onb onc ond ong oni onl onn ono onp onr ont onu oo- ooa oob ooc ood oog ooi ool oon ooo oop oor oot op- opa opb opc opd opg opi opl opn opo opp opr opt or- ora orb orc ord org ori orl orn oro orp orr ort oru ot- ota otb otc otd otg oti otl otn oto otp otr ott otu ou- oua ouc oud oui oul oun ouo oup our out p-p paa pab pac pad pag pai pal pan pao pap par pat pau pba pbb pbc pbd pbg pbi pbl pbn pbo pbp pbr pbt pbu pca pcb pcc pcd pcg pci pcl pcn pco pcp pcr pct pcu pda pdb pdc pdd pdg pdi pdl pdn pdo pdp pdr pdt pdu pga pgb pgc pgd pgg pgi pgl pgn pgo pgp pgr pgt pia pib pic pid pig pii pil pin pio pip pir pit piu pla plb plc pld plg pli pll pln plo plp plr plt plu pn- pna pnb pnc pnd png pni pnl pnn pno pnp pnr pnt pnu poa pob poc pod pog poi pol pon poo pop por pot pou ppa ppb ppc ppd ppg ppi ppl ppn ppo ppp ppr ppt ppu pra prb prc prd prg pri prl prn pro prp prr prt pru pt- pta ptb ptc ptd ptg pti ptl ptn pto ptp ptr ptt ptu pua pub puc pud pug pui pul pun pup pur put puu ra- raa rab rac rad rag rai ral ran rao rap rar rat rau rba rbb rbc rbd rbg rbi rbl rbn rbo rbp rbr rbt rbu rca rcb rcc rcd rcg rci rcl rcn rco rcp rcr rct rcu rda rdb rdc rdd rdg rdi rdl rdn rdo rdp rdr rdt rdu rga rgb rgc rgd rgg rgi rgn rgo rgp rgr rgt ria rib ric rid rig rii ril rin rio rip rir rit rla rlc rld rlg rli rll rln rlo rlp rlr rlt rlu rna rnb rnc rnd rng rni rnn rno rnp rnr rnt rnu roa rob roc rod rog roi rol ron roo rop ror rot rou rpa rpb rpc rpd rpg rpi rpl rpn rpo rpp rpr rpt rpu rra rrb rrc rrd rrg rri rrl rrn rrp rrr rrt rru rta rtb rtc rtd rtg rti rtl rtn rto rtp rtr rtt rtu rua rub ruc rud rug rui run ruo rup rur rut ruu taa tab tac tad tag tai tal tan tao tap tar tat tau tba tbb tbc tbd tbg tbi tbl tbn tbo tbp tbr tbt tbu tca tcb tcc tcd tcg tci tcl tcn tco tcp tcr tct tcu tda tdb tdc tdd tdg tdi tdl tdn tdo tdp tdr tdt tdu tga tgb tgc tgg tgi tgl tgn tgo tgp tgr tgt tgu tia tib tic tid tig tii til tin tio tip tir tit tiu tla tlc tld tlg tli tll tln tlo tlp tlr tlt tlu tna tnb tnc tnd tng tni tnl tnn tno tnp tnr tnt to- toa tob toc tod tog toi tol ton too top tor tot tou tpa tpb tpc tpd tpg tpi tpl tpn tpo tpp tpr tpt tpu