ntn nto ntp ntt o-i oaa oac oad oae oai oal oam oan oao oap oat oc- oca occ ocd oci ocl ocm ocn oco ocp oct oda odc odd ode odi odl odm odn odo odp odt oea oec oed oee oei oel oem oen oeo oep oet oia oic oid oie oii oil oim oin oio oip oit ola olc old ole oli oll olm oln olo olp olt om- oma omc omd ome omi oml omm omn omo omp omt on- ona onc ond one oni onl onn ono onp ont oo- ooa ooc ood ooi ool oom oon ooo oop oot op- opa opc opd ope opi opl opm opn opo opp opt ot- ota otc otd ote oti otl otm otn oto otp ott p-p paa pac pad pae pai pal pam pan pao pap pat pca pcc pcd pce pci pcl pcm pcn pco pcp pct pda pdc pdd pde pdi pdl pdm pdn pdo pdp pdt pea pec ped pee pei pel pem pen peo pep pet pia pic pid pie pii pil pim pin pio pip pit pla plc pld ple pli pll plm pln plo plp plt pma pmc pmd pme pmi pml pmm pmn pmo pmp pmt pn- pna pnc pnd pne pni pnl pnm pnn pno pnp pnt poa poc pod poe poi pol pom pon poo pop pot ppa ppc ppd ppe ppi ppl ppm ppn ppo ppp ppt pt- pta ptc ptd pte pti ptl ptm ptn pto ptp ptt taa tac tad tae tai tal tam tan tao tap tat tca tcc tcd tce tci tcl tcm tcn tco tcp tct tda tdc tdd tde tdi tdl tdm tdn tdo tdp tdt te- tea tec ted tee tei tel tem ten teo tep tet tia tic tid tie tii til tim tin tio tip tit tla tlc tld tle tli tll tlm tln tlo tlp tlt tma tmc tmd tme tmi tml tmm tmn tmo tmp tmt tna tnc tnd tne tni tnl tnm tnn tno tnp tnt to- toa toc tod toe toi tol tom ton too top tot tpa tpc tpd tpe tpi tpl tpm tpn tpo tpp tpt tta ttc ttd tte tti ttl ttm ttn tto ttp ttt