-ic bbb bbc bbg bbi bbo bcb bcc bcg bci bco bcv bcz bgb bgc bgg bgi bgo bgv bgz bi- bib bic big bii bio biv biz bob boc bog boi boo bov boz bvb bvc bvg bvi bvo bvv bzo bzz c-- cbb cbc cbg cbi cbo cbv cbz ccb ccc ccg cci cco ccv ccz cgb cgc cgg cgi cgo cgv ci- cib cic cig cii cio civ co- cob coc cog coi coo cov coz cvb cvc cvg cvi cvo cvv cvz cz- czc czo gbc gbg gbi gbo gbv gbz gcb gcc gcg gci gco ggb ggc ggg ggi ggo ggv ggz gib gic gig gii gio giv giz gob goc gog goi goo gov goz gvb gvc gvg gvi gvo gzo i-v ibb ibc ibg ibi ibo ibv ibz icb icc icg ici ico icv icz igb igc igg igi igo iib iic iii iio io- iob ioc iog ioi ioo iov ivb ivc ivg ivi ivo ivv izi izo izz o-i ob- obb obc obg obi obo obv oc- ocb occ ocg oci oco ocv ocz ogc ogg ogi ogo oib oic oii oio oiv oiz oo- oob ooc oog ooi ooo oov ov- ovb ovc ovi ovo ovv ozo ozz vbc vbg vbi vbo vbv vbz vcc vci vco vgc vgg vgo vgz vi- vib vic vig vii vio viv viz vob voc vog voi voo vov voz vvb vvc vvg vvi vvo vvv vvz z-g zbb zbc zbv zco zgb zgg zgi zgv zib zig zio ziv ziz zo- zob zoc zog zoi zoo zvi zzz