nst nsu nta ntb ntd nte ntg nti ntn nto ntp nts ntt ntu nua nub nud nue nug nui nun nuo nup nus nut nuu o-i oaa oab oad oae oag oai oan oao oap oas oat oau ob- oba obb obd obe obg obi obn obo obp obs obt obu oda odb odd ode odg odi odn odo odp ods odt odu oea oeb oed oee oeg oei oen oeo oep oes oet oga ogd oge ogg ogi ogn ogo ogp ogs ogt oia oib oid oie oii oin oio oip ois oit oiu on- ona onb ond one ong oni onn ono onp ons ont onu oo- ooa oob ood oog ooi oon ooo oop oos oot op- opa opb opd ope opg opi opn opo opp ops opt os- osa osb osd ose osg osi osn oso osp oss ost osu ot- ota otb otd ote otg oti otn oto otp ots ott otu ou- oua oud oue oui oun ouo oup ous out p-p paa pab pad pae pag pai pan pao pap pas pat pau pba pbb pbd pbe pbg pbi pbn pbo pbp pbs pbt pbu pda pdb pdd pde pdg pdi pdn pdo pdp pds pdt pdu pea peb ped pee peg pei pen peo pep pes pet peu pga pgb pgd pge pgg pgi pgn pgo pgp pgs pgt pia pib pid pie pig pii pin pio pip pis pit piu pn- pna pnb pnd pne png pni pnn pno pnp pns pnt pnu poa pob pod poe pog poi pon poo pop pos pot pou ppa ppb ppd ppe ppg ppi ppn ppo ppp pps ppt ppu ps- psa psb psd pse psg psi psn pso psp pss pst psu pt- pta ptb ptd pte ptg pti ptn pto ptp pts ptt ptu pua pub pud pue pug pui pun pup pus put puu saa sab sad sae sag sai san sao sap sas sat sau sba sbb sbd sbe sbg sbi sbn sbo sbp sbs sbt sbu sda sdb sdd sde sdg sdi sdn sdo sdp sds sdt sdu se- sea seb sed see seg sei sen seo sep ses set seu sga sgb sgd sge sgg sgi sgn sgo sgp sgs sgt sgu sia sib sid sie sig sii sin sio sip sis sit siu sna snb snd sne sng sni snn sno snp sns snt snu soa sob sod soe sog soi son soo sop sos sot sou spa spb spd spe spg spi spn spo spp sps spt spu ss- ssa ssb ssd sse ssg ssi ssn sso ssp sss sst ssu sta stb std ste stg sti stn sto stp sts stt stu sua sub sud sue sug sui sun suo sup sus sut suu taa tab tad tae tag tai tan tao tap tas tat tau tba tbb tbd tbe tbg tbi tbn tbo tbp tbs tbt tbu tda tdb tdd tde tdg tdi tdn tdo tdp tds tdt tdu te- tea teb ted tee teg tei ten teo tep tes tet teu tga tgb tge tgg tgi tgn tgo tgp tgs tgt tgu tia tib tid tie tig tii tin tio tip tis tit tiu tna tnb tnd tne tng tni tnn tno tnp tns tnt to- toa tob tod toe tog toi ton too top tos tot tou tpa tpb tpd tpe tpg tpi tpn tpo tpp tps tpt tpu tsa tsb tsd tse tsg tsi tsn tso tsp tss tst tsu tta ttb ttd tte ttg tti ttn tto ttp tts ttt ttu tua tub tud tue tug tui tun tuo tup tus tut tuu ua- uaa uab uad uae uag uai uan uao uap uas uat uau uba ubb ube ubg ubi ubn ubo ubp ubs ubt ubu uda udb udd ude udg udi udn udo udp uds udt udu uea ueb ued uee ueg uei uen uep ues uet uga ugb uge ugg ugi ugn ugo ugp ugs ugt ugu uia uib uid uie uig uii uin uio uip uis uit uiu un- una unb und une ung uni unn uno unp uns unt unu uoa uob uod uoe uog uon uoo uop uos uot up- upa upb upd upe upg upi upn upo upp ups upt upu usa usb usd use usg usi usn uso usp uss ust usu uta utb utd ute uti utn uto utp uts utt utu uua uue uug uun uus uut uuu