lpa lpb lpc lpd lpe lpi lpl lpn lpo lpp lpt lpu lta ltb ltc ltd lte lti ltl lto ltp ltt ltu lua lub luc lud lue lui lul lun luo lup lut luu n-i naa nab nac nad nae nai nal nan nao nap nat nau nba nbb nbc nbd nbe nbi nbl nbn nbo nbp nbt nbu nca ncb ncc ncd nce nci ncl ncn nco ncp nct ncu nda ndb ndc ndd nde ndi ndl ndn ndo ndp ndt ndu ne- nea neb nec ned nee nei nel nen neo nep net neu nia nib nic nid nie nii nil nin nio nip nit niu nla nlb nlc nld nle nli nll nln nlo nlp nlt nlu nna nnb nnc nne nni nnl nnn nno nnp nnt nnu no- noa nob noc nod noe noi nol non noo nop not nou npa npb npc npd npe npi npl npn npo npp npt npu nta ntb ntc ntd nte nti ntn nto ntp ntt ntu nua nub nuc nud nue nui nul nun nuo nup nut nuu o-i oaa oab oac oad oae oai oal oan oao oap oat oau ob- oba obb obc obd obe obi obl obn obo obp obt obu oc- oca ocb occ ocd oci ocl ocn oco ocp oct ocu oda odb odc odd ode odi odl odn odo odp odt odu oea oeb oec oed oee oei oel oen oeo oep oet oia oib oic oid oie oii oil oin oio oip oit oiu ola olb olc old ole oli oll oln olo olp olt olu on- ona onb onc ond one oni onl onn ono onp ont onu oo- ooa oob ooc ood ooi ool oon ooo oop oot op- opa opb opc opd ope opi opl opn opo opp opt ot- ota otb otc otd ote oti otl otn oto otp ott otu ou- oua ouc oud oue oui oul oun ouo oup out p-p paa pab pac pad pae pai pal pan pao pap pat pau pba pbb pbc pbd pbe pbi pbl pbn pbo pbp pbt pbu pca pcb pcc pcd pce pci pcl pcn pco pcp pct pcu pda pdb pdc pdd pde pdi pdl pdn pdo pdp pdt pdu pea peb pec ped pee pei pel pen peo pep pet peu pia pib pic pid pie pii pil pin pio pip pit piu pla plb plc pld ple pli pll pln plo plp plt plu pn- pna pnb pnc pnd pne pni pnl pnn pno pnp pnt pnu poa pob poc pod poe poi pol pon poo pop pot pou ppa ppb ppc ppd ppe ppi ppl ppn ppo ppp ppt ppu pt- pta ptb ptc ptd pte pti ptl ptn pto ptp ptt ptu pua pub puc pud pue pui pul pun pup put puu taa tab tac tad tae tai tal tan tao tap tat tau tba tbb tbc tbd tbe tbi tbl tbn tbo tbp tbt tbu tca tcb tcc tcd tce tci tcl tcn tco tcp tct tcu tda tdb tdc tdd tde tdi tdl tdn tdo tdp tdt tdu te- tea teb tec ted tee tei tel ten teo tep tet teu tia tib tic tid tie tii til tin tio tip tit tiu tla tlc tld tle tli tll tln tlo tlp tlt tlu tna tnb tnc tnd tne tni tnl tnn tno tnp tnt to- toa tob toc tod toe toi tol ton too top tot tou tpa tpb tpc tpd tpe tpi tpl tpn tpo tpp tpt tpu tta ttb ttc ttd tte tti ttl ttn tto ttp ttt ttu tua tub tuc tud tue tui tul tun tuo tup tut tuu ua- uaa uab uac uad uae uai ual uan uao uap uat uau uba ubb ubc ube ubi ubl ubn ubo ubp ubt ubu uca ucb ucc ucd uce uci ucl ucn uco ucp uct ucu uda udb udc udd ude udi udl udn udo udp udt udu uea ueb uec ued uee uei uel uen uep uet uia uib uic uid uie uii uil uin uio uip uit uiu ula ulb ulc uld ule uli ull uln ulo ulp ult ulu un- una unb unc und une uni unl unn uno unp unt unu uoa uob uoc uod uoe uol uon uoo uop uot up- upa upb upc upd upe upi upn upo upp upt upu uta utb utc utd ute uti utl utn uto utp utt utu uua uuc uue uun uut uuu