h-i hhh hhi hhk hho hhs hhv hih hii hik hio his hiv hkh hki hkk hko hks hoh hoi hok hoo hos hov hsh hsi hsk hss hsv hv- hvk hvo hvs hvv i-v ihh ihi ihk iho ihs ihv iih iii iio iis iki ikk iko iks ikv io- ioh ioi ioo ios iov is- ish isi isk iso iss isv ivi ivo ivs ivv khh khi khk kho khs khv kih kii kik kio kis kiv kkh kki kkk kks kkv koh koi kok koo kos ksh ksi ksk kso kss ksv kvh kvi kvk kvo kvs kvv o-i ohh ohi oho ohs oii oik oio ois oiv oki okk oko oks oo- ooh ooi ook ooo oos oov os- osh osi osk oso oss osv ov- ovh ovi ovo ovs ovv sh- shh shi shk sho shs shv sih sii sik sio sis siv sk- skh ski skk sko sks soh soi sok soo sos sov ss- ssh ssi ssk sso sss ssv svi svk svo svs svv vh- vhi vho vhs vi- vii vik vio vis viv voh voi vok voo vos vov vsh vsi vsk vso vss vsv vvi vvo vvs vvv