-ic -th bbb bbc bbg bbh bbi bbn bbo bbt bcb bcc bcg bch bci bcn bco bct bgb bgc bgg bgh bgi bgn bgo bgt bhb bhc bhg bhh bhi bho bht bi- bib bic big bih bii bin bio bit bnb bnc bng bni bnn bno bnt bob boc bog boh boi bon boo bot btb btc btg bth bti btn bto btt c-- cbb cbc cbg cbh cbi cbn cbo cbt ccb ccc ccg cch cci ccn cco cct cgb cgc cgg cgh cgi cgn cgo cgt ch- chb chc chg chh chi chn cho cht ci- cib cic cig cih cii cin cio cit cn- cnb cnc cng cnh cni cnn cno cnt co- cob coc cog coh coi con coo cot ctb ctc ctg cth cti ctn cto ctt gbc gbg gbh gbi gbn gbo gbt gcb gcc gcg gch gci gcn gco gct ggb ggc ggg ggh ggi ggn ggo ggt ghb ghc ghg ghh ghi ghn gho ght gib gic gig gih gii gin gio git gnb gnc gni gnn gno gnt gob goc gog goh goi gon goo got gtb gtc gtg gth gti gtn gto gtt h-i hbb hbc hbg hbh hbi hbn hbo hbt hcb hcc hcg hch hci hcn hco hct hgb hgc hgg hgh hgi hgn hgo hgt hhb hhc hhg hhh hhi hhn hho hht hib hic hig hih hii hin hio hit hnb hnc hng hnh hnn hno hnt hob hoc hog hoh hoi hon hoo hot htb htc htg hth hti htn hto htt ibb ibc ibg ibh ibi ibn ibo ibt icb icc icg ich ici icn ico ict igb igc igg igh igi ign igo igt ihb ihc ihg ihh ihi ihn iho iht iib iic iih iii iin iio iit in- inb inc ing inh ini inn ino int io- iob ioc iog ioh ioi ion ioo iot itb itc itg ith iti itn ito itt n-i nbb nbc nbg nbi nbn nbo nbt ncb ncc ncg nch nci ncn nco nct ngb ngc ngg ngh ngi ngn ngo ngt nhb nhc nhg nhh nhi nhn nht nib nic nig nih nii nin nio nit nnb nnc nng nnh nni nnn nno nnt no- nob noc nog noh noi non noo not ntb ntc ntg nth nti ntn nto ntt o-i ob- obb obc obg obh obi obn obo obt oc- ocb occ ocg och oci ocn oco oct ogc ogg ogh ogi ogn ogo ogt ohc ohg ohh ohi ohn oho oht oib oic oii oin oio oit on- onb onc ong onh oni onn ono ont oo- oob ooc oog ooh ooi oon ooo oot ot- otb otc otg oth oti otn oto ott tbb tbc tbg tbh tbi tbn tbo tbt tcb tcc tcg tch tci tcn tco tct tgb tgc tgg tgh tgi tgn tgo tgt th- thb thc thg thh thi thn tho tht tib tic tig tih tii tin tio tit tnb tnc tng tnh tni tnn tno tnt to- tob toc tog toh toi ton too tot ttb ttc ttg tth tti ttn tto ttt