-th hhh hhm hho hhp hhs hht hmh hmm hmo hmp hms hmt hoh hom hoo hop hos hot hph hpm hpo hpp hps hpt hsh hsm hsp hss hst hth htm hto htp hts htt m-o mhh mhm mho mhp mhs mht mmh mmm mmo mmp mms mmt moh mom moo mop mos mot mph mpm mpo mpp mps mpt msh msm mso msp mss mst mth mtm mto mtp mts mtt ohh ohm oho ohp ohs oht om- omh omm omo omp oms omt oo- ooh oom ooo oop oos oot op- oph opm opo opp ops opt os- osh osm oso osp oss ost ot- oth otm oto otp ots ott p-p phm pho php phs pht pmh pmm pmo pmp pms pmt poh pom poo pop pos pot pph ppm ppo ppp pps ppt ps- psh psm pso psp pss pst pt- pth ptm pto ptp pts ptt sh- shh shm sho shp shs sht smh smm smo smp sms smt soh som soo sop sos sot sph spm spo spp sps spt ss- ssh ssm sso ssp sss sst sth stm sto stp sts stt th- thh thm tho thp ths tht tmh tmm tmo tmp tms tmt to- toh tom too top tos tot tph tpm tpo tpp tps tpt tsh tsm tso tsp tss tst tth ttm tto ttp tts ttt