SPRINGBOK

bi bo go in is ki no oi on op or os pi si so

big bin bio bis bog bop bos bro gib gin gip gob gor gos ink ins ion irk kin kip kir kis kob koi kop kor kos nib nip nob nog nor nos obi ons ops orb ors pig pin pis poi pro psi rib rig rin rip rob sib sin sip sir ski sob son sop sri

bigs bins biog bios birk biro bisk bogs bong bonk bops bork born bosk brig brin brio bris bros gibs gink gins gips girn giro gobs gorp grin grip grok ikon inks inro ions irks iron king kino kins kips kirn kirs knob knop kobs kois kops kors kris nibs nips nobs nogs noir nori obis oink orbs pigs ping pink pins pion pirn piso pois pong pons pork porn prig prog pros ribs rigs ring rink rins rips risk robs sign sing sink skin skip snib snip snob snog song sorb sori sorn spik spin