a-a aaa aad aaf aah aak aao aas aav ad- ada add adf adh adk ado ads adv af- afa afd aff afh afk afo afs afv aha ahd ahf ahh ahk aho ahs ahv aka akd akh akk ako aks akv aoa aod aof aoh aok aoo aos aov as- asa asd asf ash ask aso ass asv av- ava avd avf avh avk avo avs daa dad daf dah dak dao das dav dda ddd ddf ddh ddk ddo dds dfa dfd dff dfh dfk dfo dfs dfv dh- dha dhd dhf dhh dhk dho dhs dka dkk dko dks doa dod dof doh dok doo dos dov dsa dsd dsf dsh dsk dso dss dsv dva dvd dvh dvk dvs faa fad faf fah fak fao fas fav fda fdd fdf fdh fdk fdo fds ffa ffd fff ffh ffk ffo ffs ffv fha fhf fhh fho fhs fhv fka fkf fkk foa fof foh fok foo fos fsa fsd fsf fsh fsk fso fss fsv fva fvd fvh fvk haa had haf hah hak hao has hav hda hdd hdf hdh hdk hdo hds hdv hfa hfd hff hfh hfk hfo hfs hfv hha hhd hhf hhh hhk hho hhs hhv hka hkd hkf hkh hkk hko hks hoa hod hof hoh hok hoo hos hov hsa hsd hsf hsh hsk hss hsv hv- hva hvd hvf hvk hvo hvs hvv ka- kaa kad kaf kah kak kao kas kav kda kdf kdh kdk kdo kds kfa kfd kff kfh kfo kfs kha khf khh khk kho khs khv kkh kkk kks kkv koa kod kof koh kok koo kos ksa ksd ksf ksh ksk kso kss ksv kva kvh kvk kvo kvs kvv oaa oad oaf oah oak oao oas oav oda odd odf odh odo ods odv of- ofa ofd off ofo ofs ofv oha ohd ohf ohh oho ohs oka okd okk oko oks oo- ooa ood oof ooh ook ooo oos oov os- osa osd osf osh osk oso oss osv ov- ova ovd ovf ovh ovo ovs ovv saa sad saf sah sak sao sas sav sda sdd sdf sdh sdk sdo sds sdv sfa sfd sff sfh sfk sfo sfs sfv sh- sha shd shf shh shk sho shs shv sk- ska skd skf skh skk sko sks soa sod sof soh sok soo sos sov ss- ssa ssd ssf ssh ssk sso sss ssv sva svd svf svk svo svs svv v-a vaa vad vah vak vao vas vav vdd vdf vdh vdk vdo vds vdv vfa vfd vff vfs vfv vh- vha vhd vhf vho vhs vka voa vod vof voh vok voo vos vov vsa vsd vsf vsh vsk vso vss vsv vva vvo vvs vvv