-ic b-u bbb bbc bbf bbi bbn bbo bbt bbu bcb bcc bcf bci bcn bco bct bcu bfb bfc bff bfi bfn bfo bft bfu bi- bib bic bif bii bin bio bit biu bnb bnc bnf bni bnn bno bnt bnu bob boc bof boi bon boo bot bou btb btc btf bti btn bto btt btu bub buc buf bui bun buo but buu c-- cbb cbc cbf cbi cbn cbo cbt cbu ccb ccc ccf cci ccn cco cct ccu cfb cfc cff cfi cfn cfo cft cfu ci- cib cic cif cii cin cio cit ciu cn- cnb cnc cnf cni cnn cno cnt cnu co- cob coc cof coi con coo cot cou ctb ctc ctf cti ctn cto ctt ctu cub cuc cuf cui cun cuo cut cuu fbb fbc fbf fbi fbn fbo fbt fbu fcb fcc fcf fci fcn fco fct fcu ffc fff ffi ffn ffo fft ffu fib fic fif fii fin fit fiu fnb fnc fnf fni fnn fnt fnu fob foc fof foi fon foo fot fou ftb ftc ftf fti ftn fto ftt ftu fub fuf fui fun fuo fut fuu i-f ibb ibc ibf ibi ibn ibo ibt ibu icb icc icf ici icn ico ict icu ifb ifc iff ifi ifn ifo ift ifu iib iic iif iii iin iio iit iiu in- inb inc inf ini inn ino int inu io- iob ioc iof ioi ion ioo iot iou itb itc itf iti itn ito itt itu iu- iub iuc iui iut n-i nbb nbc nbf nbi nbn nbo nbt nbu ncb ncc ncf nci ncn nco nct ncu nfb nfc nff nfi nfn nfo nft nfu nib nic nif nii nin nio nit niu nnb nnc nnf nni nnn nno nnt nnu no- nob noc nof noi non noo not nou ntb ntc ntf nti ntn nto ntt ntu nub nuc nui nun nuo nut nuu o-i ob- obb obc obf obi obn obo obt obu oc- ocb occ ocf oci ocn oco oct ocu of- ofb ofc off ofi ofn ofo oft ofu oib oic oif oii oin oio oit oiu on- onb onc onf oni onn ono ont onu oo- oob ooc oof ooi oon ooo oot ot- otb otc otf oti otn oto ott otu ou- ouc ouf oui oun ouo out tbb tbc tbf tbi tbn tbo tbt tbu tcb tcc tcf tci tcn tco tct tcu tfb tfc tff tfi tfn tfo tft tfu tib tic tif tii tin tio tit tiu tnb tnc tnf tni tnn tno tnt to- tob toc tof toi ton too tot tou ttb ttc ttf tti ttn tto ttt ttu tub tuc tuf tui tun tuo tut tuu ubb ubc ubf ubi ubn ubo ubt ubu ucb ucc ucf uci ucn uco uct ucu ufc uff ufi ufn ufo uft ufu uib uic uif uii uin uio uit uiu un- unb unc unf uni unn uno unt unu uob uoc uon uoo uot utb utc utf uti utn uto utt utu uuc uun uut uuu