a-a a-c aaa aac aad aaf aah aao aar aav ac- aca acc acd acf ach aco acr acv ad- ada adc add adf adh ado adr adv af- afa afc afd aff afh afo afr afv aha ahc ahd ahf ahh aho ahr ahv aoa aoc aod aof aoh aoo aor aov ar- ara arc ard arf arh aro arr arv av- ava avc avd avf avh avo avr c-- caa cac cad caf cah cao car cav cca ccc ccd ccf cch cco ccr ccv cda cdc cdd cdf cdh cdo cdr cdv cfa cfc cfd cff cfh cfo cfr cfv ch- cha chc chd chf chh cho chr chv co- coa coc cod cof coh coo cor cov cra crc crd crf crh cro crr crv cva cvc cvd cvf cvh cvo cvr cvv daa dac dad daf dah dao dar dav dca dcc dcd dcf dco dcr dcv dda ddc ddd ddf ddh ddo ddr dfa dfc dfd dff dfh dfo dfr dfv dh- dha dhc dhd dhf dhh dho dhr doa doc dod dof doh doo dor dov dra drc drd dro drr drv dva dvc dvd dvh dvr faa fac fad faf fah fao far fav fca fcc fcd fcf fco fcr fcv fda fdc fdd fdf fdh fdo fdr ffa ffc ffd fff ffh ffo ffr ffv fha fhc fhf fhh fho fhr fhv foa foc fof foh foo for fra frc frd frf frh fro frr fva fvc fvd fvh haa hac had haf hah hao har hav hca hcc hcd hcf hch hco hcr hcv hda hdc hdd hdf hdh hdo hdr hdv hfa hfc hfd hff hfh hfo hfr hfv hha hhc hhd hhf hhh hho hhr hhv hoa hoc hod hof hoh hoo hor hov hr- hra hrc hrd hrf hrh hro hrr hrv hv- hva hvc hvd hvf hvo hvr hvv oaa oac oad oaf oah oao oar oav oc- oca occ ocd ocf och oco ocr ocv oda odc odd odf odh odo odr odv of- ofa ofc ofd off ofo ofr ofv oha ohc ohd ohf ohh oho ohr oo- ooa ooc ood oof ooh ooo oor oov or- ora orc ord orf orh oro orr orv ov- ova ovc ovd ovf ovh ovo ovv ra- raa rac rad raf rah rao rar rav rca rcc rcd rcf rch rco rcr rcv rda rdc rdd rdf rdh rdo rdr rdv rfa rfc rfd rff rfh rfo rfr rfv rh- rha rhc rhd rhf rhh rho rhr rhv roa roc rod rof roh roo ror rov rra rrc rrd rrf rrh rrr rva rvc rvd rvf rvh rvo rvr rvv v-a vaa vac vad vah vao var vav vca vcc vcd vcf vch vco vcr vdc vdd vdf vdh vdo vdr vdv vfa vfc vfd vff vfr vfv vh- vha vhc vhd vhf vho voa voc vod vof voh voo vor vov vra vrc vrd vrf vrh vrr vva vvc vvo vvr vvv