-th hhh hhn hho hhp hhs hht hnh hnn hno hns hnt hoh hon hoo hop hos hot hph hpn hpo hpp hps hpt hsh hsn hsp hss hst hth htn hto htp hts htt nhh nhn nhp nhs nht nnh nnn nno nnp nns nnt no- noh non noo nop nos not nph npn npo npp nps npt nsh nsn nso nsp nss nst nth ntn nto ntp nts ntt ohh ohn oho ohp ohs oht on- onh onn ono onp ons ont oo- ooh oon ooo oop oos oot op- oph opn opo opp ops opt os- osh osn oso osp oss ost ot- oth otn oto otp ots ott p-p phn pho php phs pht pn- pnh pnn pno pnp pns pnt poh pon poo pop pos pot pph ppn ppo ppp pps ppt ps- psh psn pso psp pss pst pt- pth ptn pto ptp pts ptt sh- shh shn sho shp shs sht snn sno snp sns snt soh son soo sop sos sot sph spn spo spp sps spt ss- ssh ssn sso ssp sss sst sth stn sto stp sts stt th- thh thn tho thp ths tht tnh tnn tno tnp tns tnt to- toh ton too top tos tot tph tpn tpo tpp tps tpt tsh tsn tso tsp tss tst tth ttn tto ttp tts ttt