-ic b-u bbb bbc bbd bbi bbn bbo bbt bbu bby bcb bcc bcd bci bcn bco bct bcu bcy bdb bdc bdd bdi bdo bdt bdu bdy bi- bib bic bid bii bin bio bit biu biy bnb bnc bnd bni bnn bno bnt bnu bob boc bod boi bon boo bot bou boy btb btc btd bti btn bto btt btu bty bub buc bud bui bun buo but buu buy by- byc byd byi byn byo byt byu c-- cbb cbc cbd cbi cbn cbo cbt cbu cby ccb ccc ccd cci ccn cco cct ccu cdb cdc cdd cdi cdn cdo cdt cdu cdy ci- cib cic cid cii cin cio cit ciu cn- cnb cnc cnd cni cnn cno cnt cnu cny co- cob coc cod coi con coo cot cou coy ctb ctc ctd cti ctn cto ctt ctu cty cub cuc cud cui cun cuo cut cuu cuy cyb cyc cyd cyn cyo cyt dbb dbc dbd dbi dbn dbo dbt dbu dby dcb dcc dcd dci dcn dco dct dcu ddb ddc ddd ddi ddn ddo ddt ddu ddy di- dib dic did dii din dio dit diu diy dnb dnc dnd dni dnn dno dnt dny dob doc dod doi don doo dot dou doy dtb dtc dtd dti dtn dto dtt dtu dty dub duc dud dui dun duo dut duy dy- dyb dyc dyd dyn dyo dyu dyy i-d ibb ibc ibd ibi ibn ibo ibt ibu iby icb icc icd ici icn ico ict icu icy idb idc idd idi idn ido idt idu idy iib iic iid iii iin iio iit iiu in- inb inc ind ini inn ino int inu iny io- iob ioc iod ioi ion ioo iot iou itb itc itd iti itn ito itt itu ity iu- iub iuc iud iui iut iyc iyo iyt iyy n-i nbb nbc nbd nbi nbn nbo nbt nbu ncb ncc ncd nci ncn nco nct ncu ndb ndc ndd ndi ndn ndo ndt ndu ndy nib nic nid nii nin nio nit niu nnb nnc nni nnn nno nnt nnu no- nob noc nod noi non noo not nou noy ntb ntc ntd nti ntn nto ntt ntu nub nuc nud nui nun nuo nut nuu nuy nyc nyd nyn nyo nyt nyu nyy o-i ob- obb obc obd obi obn obo obt obu oby oc- ocb occ ocd oci ocn oco oct ocu odb odc odd odi odn odo odt odu oib oic oid oii oin oio oit oiu on- onb onc ond oni onn ono ont onu ony oo- oob ooc ood ooi oon ooo oot ot- otb otc otd oti otn oto ott otu ou- ouc oud oui oun ouo out oyd oyi oyo tbb tbc tbd tbi tbn tbo tbt tbu tcb tcc tcd tci tcn tco tct tcu tdb tdc tdd tdi tdn tdo tdt tdu tdy tib tic tid tii tin tio tit tiu tiy tnb tnc tnd tni tnn tno tnt to- tob toc tod toi ton too tot tou toy ttb ttc ttd tti ttn tto ttt ttu tty tub tuc tud tui tun tuo tut tuu tuy tyc tyd tyn tyo tyt ubb ubc ubi ubn ubo ubt ubu uby ucb ucc ucd uci ucn uco uct ucu udb udc udd udi udn udo udt udu uib uic uid uii uin uio uit uiu un- unb unc und uni unn uno unt unu uny uob uoc uod uon uoo uot utb utc utd uti utn uto utt utu uty uuc uun uut uuu uyc uyi uyo uyu ybc ybi yby ycc ycd yci yco ycu ycy ydn ydo ydt ydy yid yii yin yio yit ynd ynn ynu yny yob yoc yod yoi yon yoo yot you yoy ytc ytd ytn yto ytt ytu yud yui yun yuo yut yuu yuy yyb yyc yyt yyu yyy