-ic bbb bbc bbe bbg bbi bbo bbt bcb bcc bce bcg bci bco bct bcv bcz be- beb bec bee beg bei beo bet bev bez bgb bgc bge bgg bgi bgo bgt bgv bgz bi- bib bic bie big bii bio bit biv biz bob boc boe bog boi boo bot bov boz btb btc bte btg bti bto btt btv btz bvb bvc bve bvg bvi bvo bvt bvv bze bzo bzz c-- cbb cbc cbe cbg cbi cbo cbt cbv cbz ccb ccc cce ccg cci cco cct ccv ccz ce- ceb cec cee ceg cei ceo cet cev cez cgb cgc cge cgg cgi cgo cgt cgv ci- cib cic cie cig cii cio cit civ co- cob coc coe cog coi coo cot cov coz ctb ctc cte ctg cti cto ctt ctv ctz cvb cvc cve cvg cvi cvo cvt cvv cvz cz- czc cze czo czt ebb ebc ebe ebg ebi ebo ebt ebv ec- ecb ecc ece ecg eci eco ect ecv eeb eec eee eeg eeo eet eev egb egc ege egg egi ego egt eib eic eie eig eii eio eit eiv eo- eob eoc eoe eog eoi eoo eot etb etc ete etg eti eto ett etv etz evb evc eve evg evi evo evt evv eze ezo ezz gbc gbe gbg gbi gbo gbt gbv gbz gcb gcc gce gcg gci gco gct ge- geb gec gee geg gei geo get gev gez ggb ggc ggg ggi ggo ggt ggv ggz gib gic gie gig gii gio git giv giz gob goc goe gog goi goo got gov goz gtb gtc gte gtg gti gto gtt gtv gvb gvc gve gvg gvi gvo gvt gzo i-v ibb ibc ibe ibg ibi ibo ibt ibv ibz icb icc ice icg ici ico ict icv icz ie- iec iee ieg iei iet iev igb igc ige igg igi igo igt iib iic iie iii iio iit io- iob ioc ioe iog ioi ioo iot iov itb itc ite itg iti ito itt itv itz ivb ivc ive ivg ivi ivo ivt ivv ize izi izo izz o-i ob- obb obc obe obg obi obo obt obv oc- ocb occ ocg oci oco oct ocv ocz oeb oec oee oeg oei oeo oet ogc oge ogg ogi ogo ogt oib oic oie oii oio oit oiv oiz oo- oob ooc oog ooi ooo oot oov ot- otb otc ote otg oti oto ott otv otz ov- ovb ovc ove ovi ovo ovv oze ozo ozt ozz tbb tbc tbe tbg tbi tbo tbt tbv tbz tcb tcc tce tcg tci tco tct tcv te- teb tec tee teg tei teo tet tev tez tgb tgc tge tgg tgi tgo tgt tgv tgz tib tic tie tig tii tio tit tiv tiz to- tob toc toe tog toi too tot tov toz ttb ttc tte ttg tti tto ttt ttv tvb tvc tve tvg tvi tvo tvt tvz tze v-e vbc vbg vbi vbo vbv vbz vcc vce vci vco vct veb vec vee veg vei veo vet vez vgc vgg vgo vgt vgz vi- vib vic vie vig vii vio vit viv viz vob voc voe vog voi voo vot vov voz vtb vtc vte vtg vti vto vtt vtv vtz vvb vvc vvg vvi vvo vvt vvv vvz z-g zbb zbc zbt zbv zce zco zeb zec zee zeo zet zev zez zgb zgg zgi zgv zib zie zig zio zit ziv ziz zo- zob zoc zoe zog zoi zoo zot zte ztv zvi zzt zzz