bin bio bis bos bro cis cob con cor cos ins ion nib nob nor nos obi ons orb orc ors rib rin rob roc sib sic sin sir sob son sri
bins bios born brin brio bris bros cion cobs coin coir coni cons corn cors crib cris icon inro ions iron nibs nobs noir nori obis orbs orcs ribs rins robs rocs snib snob sorb sori sorn
bison boric brins brios bronc cions coins coirs corns cribs icons irons noirs noris orcin ornis robin rosin scion scorn sonic
bicorn bicron binocs broncs orcins robins sorbic
Rhai geiriau ar hap: do de dye dup duo