-ol -th h-i hhh hhi hhl hho hhs hht hih hii hil hio his hit hlh hli hll hlo hls hlt hoh hoi hol hoo hos hot hsh hsi hsl hss hst hth hti htl hto hts htt ihh ihi ihl iho ihs iht iih iii iil iio iis iit il- ilh ili ill ilo ils ilt io- ioh ioi iol ioo ios iot is- ish isi isl iso iss ist ith iti itl ito its itt lhh lhi lho lhs lht lih lii lil lio lis lit lli lll llo lls llt loh loi lol loo los lot lsh lsi lsl lso lss lst lth lti ltl lto lts ltt o-i ohh ohi ohl oho ohs oht oii oil oio ois oit oli oll olo ols olt oo- ooh ooi ool ooo oos oot os- osh osi osl oso oss ost ot- oth oti otl oto ots ott sh- shh shi shl sho shs sht sih sii sil sio sis sit slh sli sll slo sls slt soh soi sol soo sos sot ss- ssh ssi ssl sso sss sst sth sti stl sto sts stt th- thh thi thl tho ths tht tih tii til tio tis tit tlh tli tll tlo tls tlt to- toh toi tol too tos tot tsh tsi tsl tso tss tst tth tti ttl tto tts ttt