-ol -th hhh hhl hho hhr hhs hht hlh hll hlo hlr hls hlt hoh hol hoo hor hos hot hr- hrh hrl hro hrr hrs hrt hsh hsl hsr hss hst hth htl hto htr hts htt lhh lho lhr lhs lht lll llo llr lls llt loh lol loo lor los lot lrh lro lrr lrs lrt lsh lsl lso lsr lss lst lth ltl lto ltr lts ltt ohh ohl oho ohr ohs oht oll olo ols olt oo- ooh ool ooo oor oos oot or- orh orl oro orr ors ort os- osh osl oso osr oss ost ot- oth otl oto otr ots ott rh- rhh rhl rho rhr rhs rht rlh rll rlo rlr rls rlt roh rol roo ror ros rot rrh rrl rrr rrs rrt rsh rsl rso rsr rss rst rtl rto rtr rts rtt sh- shh shl sho shr shs sht slh sll slo slr sls slt soh sol soo sor sos sot sr- srh srl sro srr srs srt ss- ssh ssl sso ssr sss sst sth stl sto str sts stt th- thh thl tho thr ths tht tlh tll tlo tlr tls tlt to- toh tol too tor tos tot trh trl tro trr trs trt tsh tsl tso tsr tss tst tth ttl tto ttr tts ttt