nsc nse nsg nsi nsl nsn nso nsp nss nst nsu nta ntc nte ntg nti ntn nto ntp nts ntt ntu nua nuc nue nug nui nul nun nuo nup nus nut nuu o-i oaa oac oae oag oai oal oan oao oap oas oat oau oc- oca occ ocg oci ocl ocn oco ocp ocs oct ocu oea oec oee oeg oei oel oen oeo oep oes oet oga ogc oge ogg ogi ogl ogn ogo ogp ogs ogt oia oic oie oii oil oin oio oip ois oit oiu ola olc ole olg oli oll oln olo olp ols olt olu on- ona onc one ong oni onl onn ono onp ons ont onu oo- ooa ooc oog ooi ool oon ooo oop oos oot op- opa opc ope opg opi opl opn opo opp ops opt os- osa osc ose osg osi osl osn oso osp oss ost osu ot- ota otc ote otg oti otl otn oto otp ots ott otu ou- oua ouc oue oui oul oun ouo oup ous out p-p paa pac pae pag pai pal pan pao pap pas pat pau pca pcc pce pcg pci pcl pcn pco pcp pcs pct pcu pea pec pee peg pei pel pen peo pep pes pet peu pga pgc pge pgg pgi pgl pgn pgo pgp pgs pgt pia pic pie pig pii pil pin pio pip pis pit piu pla plc ple plg pli pll pln plo plp pls plt plu pn- pna pnc pne png pni pnl pnn pno pnp pns pnt pnu poa poc poe pog poi pol pon poo pop pos pot pou ppa ppc ppe ppg ppi ppl ppn ppo ppp pps ppt ppu ps- psa psc pse psg psi psl psn pso psp pss pst psu pt- pta ptc pte ptg pti ptl ptn pto ptp pts ptt ptu pua puc pue pug pui pul pun pup pus put puu saa sac sae sag sai sal san sao sap sas sat sau sca scc sce scg sci scl scn sco scp scs sct scu se- sea sec see seg sei sel sen seo sep ses set seu sga sgc sge sgg sgi sgl sgn sgo sgp sgs sgt sgu sia sic sie sig sii sil sin sio sip sis sit siu sla slc sle slg sli sll sln slo slp sls slt slu sna snc sne sng sni snl snn sno snp sns snt snu soa soc soe sog soi sol son soo sop sos sot sou spa spc spe spg spi spl spn spo spp sps spt spu ss- ssa ssc sse ssg ssi ssl ssn sso ssp sss sst ssu sta stc ste stg sti stl stn sto stp sts stt stu sua suc sue sug sui sul sun suo sup sus sut suu taa tac tae tag tai tal tan tao tap tas tat tau tca tcc tce tcg tci tcl tcn tco tcp tcs tct tcu te- tea tec tee teg tei tel ten teo tep tes tet teu tga tgc tge tgg tgi tgl tgn tgo tgp tgs tgt tgu tia tic tie tig tii til tin tio tip tis tit tiu tla tlc tle tlg tli tll tln tlo tlp tls tlt tlu tna tnc tne tng tni tnl tnn tno tnp tns tnt to- toa toc toe tog toi tol ton too top tos tot tou tpa tpc tpe tpg tpi tpl tpn tpo tpp tps tpt tpu tsa tsc tse tsg tsi tsl tsn tso tsp tss tst tsu tta ttc tte ttg tti ttl ttn tto ttp tts ttt ttu tua tuc tue tug tui tul tun tuo tup tus tut tuu ua- uaa uac uae uag uai ual uan uao uap uas uat uau uca ucc uce ucg uci ucl ucn uco ucp ucs uct ucu uea uec uee ueg uei uel uen uep ues uet uga ugc uge ugg ugi ugl ugn ugo ugp ugs ugt ugu uia uic uie uig uii uil uin uio uip uis uit uiu ula ulc ule ulg uli ull uln ulo ulp uls ult ulu un- una unc une ung uni unl unn uno unp uns unt unu uoa uoc uoe uog uol uon uoo uop uos uot up- upa upc upe upg upi upn upo upp ups upt upu usa usc use usg usi usl usn uso usp uss ust usu uta utc ute uti utl utn uto utp uts utt utu uua uuc uue uug uun uus uut uuu