a-a a-c aaa aac aad aah aak aao aav aay ac- aca acc acd ach ack aco acv acy ad- ada adc add adh adk ado adv ady aha ahc ahd ahh ahk aho ahv ahy aka akc akd akh akk ako akv aoa aoc aod aoh aok aoo aov av- ava avc avd avh avk avo avy ay- aya ayc ayd ayh ayk ayo c-- caa cac cad cah cak cao cav cay cca ccc ccd cch cck cco ccv cda cdc cdd cdh cdk cdo cdv cdy ch- cha chc chd chh chk cho chv chy cka ckc ckd ckh cko cky co- coa coc cod coh cok coo cov coy cva cvc cvd cvh cvk cvo cvv cya cyc cyd cyk cyo daa dac dad dah dak dao dav day dca dcc dcd dck dco dcv dda ddc ddd ddh ddk ddo ddy dh- dha dhc dhd dhh dhk dho dka dkc dkk dko doa doc dod doh dok doo dov doy dva dvc dvd dvh dvk dy- dya dyc dyd dyk dyo dyy haa hac had hah hak hao hav hay hca hcc hcd hch hck hco hcv hcy hda hdc hdd hdh hdk hdo hdv hdy hha hhc hhd hhh hhk hho hhv hhy hka hkd hkh hkk hko hoa hoc hod hoh hok hoo hov hoy hv- hva hvc hvd hvk hvo hvv hvy hy- hya hyc hyd hyh hyo hyv hyy ka- kaa kac kad kah kak kao kav kay kca kcc kcd kch kck kda kdc kdh kdk kdo kdy kha khh khk kho khv kkc kkh kkk kkv kky koa koc kod koh kok koo koy kva kvh kvk kvo kvv kya kyc kyd kyo oaa oac oad oah oak oao oav oc- oca occ ocd och ock oco ocv oda odc odd odh odo odv oha ohc ohd ohh oho oka okc okd okk oko oo- ooa ooc ood ooh ook ooo oov ov- ova ovc ovd ovh ovo ovv oya oyd oyo v-a vaa vac vad vah vak vao vav vay vca vcc vcd vch vco vcy vdc vdd vdh vdk vdo vdv vh- vha vhc vhd vho vka voa voc vod voh vok voo vov voy vva vvc vvo vvv vyd yaa yac yad yah yak yao yav yay yca ycc ycd ych yco ycv ycy yda ydo ydy yha yhc yka ykk yoc yod yok yoo yoy yva yvo yvy yyc yyy