a-a a-b a-i aaa aab aah aai aao aas aav ab- aba abb abh abi abo abs abv aha ahb ahh ahi aho ahs ahv ai- aia aib aih aii aio ais aiv aoa aob aoh aoi aoo aos aov as- asa asb ash asi aso ass asv av- ava avb avh avi avo avs baa bab bah bai bao bas bav bba bbb bbh bbi bbo bbs bha bhb bhh bhi bho bhs bhv bi- bia bib bih bii bio bis biv boa bob boh boi boo bos bov bsa bsb bsh bsi bso bss bsv bva bvb bvh bvi bvo bvs bvv h-i haa hab hah hai hao has hav hba hbb hbh hbi hbo hbs hbv hha hhb hhh hhi hho hhs hhv hia hib hih hii hio his hiv hoa hob hoh hoi hoo hos hov hsa hsb hsh hsi hss hsv hv- hva hvb hvo hvs hvv i-v ia- iaa iab iah iai iao ias iav iba ibb ibh ibi ibo ibs ibv iha ihb ihh ihi iho ihs ihv iia iib iih iii iio iis io- ioa iob ioh ioi ioo ios iov is- isa isb ish isi iso iss isv iva ivb ivi ivo ivs ivv o-i oaa oab oah oai oao oas oav ob- oba obb obh obi obo obs obv oha ohh ohi oho ohs oia oib oii oio ois oiv oo- ooa oob ooh ooi ooo oos oov os- osa osb osh osi oso oss osv ov- ova ovb ovh ovi ovo ovs ovv saa sab sah sai sao sas sav sba sbb sbh sbi sbo sbs sbv sh- sha shb shh shi sho shs shv sia sib sih sii sio sis siv soa sob soh soi soo sos sov ss- ssa ssb ssh ssi sso sss ssv sva svb svi svo svs svv v-a vaa vab vah vai vao vas vav vba vbh vbi vbo vbs vbv vh- vha vhb vhi vho vhs vi- via vib vii vio vis viv voa vob voh voi voo vos vov vsa vsb vsh vsi vso vss vsv vva vvb vvi vvo vvs vvv