6 bcd,acdef,afbde,aefbc,bcd,bdc 6 bcd,acdef,afdb,abfec,bfd,bdec 6 bcd,aedcf,afeb,abfe,bdcf,bedc 6 bcde,acdf,afeb,abef,afdc,bedc 7 bcd,aefdg,agef,afbge,bdc,bcdg,bfdc 8 bcde,afgh,ahfg,agfh,ahgf,bedc,bcde,bedc 9 bcd,aefgh,ahefg,agfhe,bdc,bcid,bdci,bidc,fgh 9 bcd,aefgh,aheg,agfhe,bdci,bid,bdci,bidc,eghf 9 bcd,aefghi,aiefhg,agfhie,bdc,bcd,bdc,bcd,bdc 10 bcd,aefgh,ahef,afghe,bdc,bcdij,bjdi,bijdc,fgh,fhg 10 bcd,aefghi,aief,afhgie,bdc,bcdj,bjd,bdj,bjdc,fhig