-ol -th h-i hhh hhi hhk hhl hho hhs hht hih hii hik hil hio his hit hkh hki hkk hkl hko hks hkt hlh hli hll hlo hls hlt hoh hoi hok hol hoo hos hot hsh hsi hsk hsl hss hst hth hti htk htl hto hts htt ihh ihi ihk ihl iho ihs iht iih iii iil iio iis iit iki ikk ikl iko iks ikt il- ilh ili ilk ill ilo ils ilt io- ioh ioi iol ioo ios iot is- ish isi isk isl iso iss ist ith iti itk itl ito its itt k-t khh khi khk kho khs kih kii kik kil kio kis kit kkh kki kkk kkl kks kkt kl- klh kli klo kls klt koh koi kok kol koo kos kot ksh ksi ksk ksl kso kss kst kth ktk ktl kto kts ktt lhh lhi lhk lho lhs lht lih lii lik lil lio lis lit lkh lkl lks lkt lli llk lll llo lls llt loh loi lok lol loo los lot lsh lsi lsk lsl lso lss lst lth lti ltk ltl lto lts ltt o-i ohh ohi ohl oho ohs oht oii oik oil oio ois oit oki okk okl oko oks oli olk oll olo ols olt oo- ooh ooi ook ool ooo oos oot os- osh osi osk osl oso oss ost ot- oth oti otk otl oto ots ott sh- shh shi shk shl sho shs sht sih sii sik sil sio sis sit sk- skh ski skk skl sko sks skt slh sli slk sll slo sls slt soh soi sok sol soo sos sot ss- ssh ssi ssk ssl sso sss sst sth sti stk stl sto sts stt th- thh thi thk thl tho ths tht tih tii tik til tio tis tit tkk tkl tko tks tkt tlh tli tlk tll tlo tls tlt to- toh toi tok tol too tos tot tsh tsi tsk tsl tso tss tst tth tti ttk ttl tto tts ttt