Best solutions for roams -> bimbo:

• 279 乙 : roams ->64 roam ->1 rom ->1 roma ->16 noma ->4 loma ->36 lima ->1 limb ->9 lime ->4 limey ->36 limes ->9 limbs ->16 limbo ->1 kimbo ->81 bimbo
• 287 sil : roams ->1 roans ->16 roars ->1 soars ->4 soaps ->36 soapy ->4 soap ->1 sop ->36 sip ->1 rip ->25 ripe ->4 rine ->4 pine ->4 nine ->1 mine ->1 mime ->1 lime ->4 limey ->36 limes ->9 limbs ->16 limbo ->1 kimbo ->81 bimbo