-ic b-u bbb bbc bbd bbi bbk bbn bbo bbt bbu bcb bcc bcd bci bck bcn bco bct bcu bdb bdc bdd bdi bdk bdo bdt bdu bi- bib bic bid bii bik bin bio bit biu bkb bkc bkk bkn bko bkt bnb bnc bnd bni bnk bnn bno bnt bnu bob boc bod boi bok bon boo bot bou btb btc btd bti btk btn bto btt btu bub buc bud bui buk bun buo but buu c-- cbb cbc cbd cbi cbk cbn cbo cbt cbu ccb ccc ccd cci cck ccn cco cct ccu cdb cdc cdd cdi cdk cdn cdo cdt cdu ci- cib cic cid cii cik cin cio cit ciu ckb ckc ckd cki cko ckt cn- cnb cnc cnd cni cnn cno cnt cnu co- cob coc cod coi cok con coo cot cou ctb ctc ctd cti ctk ctn cto ctt ctu cub cuc cud cui cuk cun cuo cut cuu dbb dbc dbd dbi dbk dbn dbo dbt dbu dcb dcc dcd dci dck dcn dco dct dcu ddb ddc ddd ddi ddk ddn ddo ddt ddu di- dib dic did dii dik din dio dit diu dkb dkc dki dkk dko dkt dku dnb dnc dnd dni dnk dnn dno dnt dob doc dod doi dok don doo dot dou dtb dtc dtd dti dtk dtn dto dtt dtu dub duc dud dui duk dun duo dut i-d ibb ibc ibd ibi ibk ibn ibo ibt ibu icb icc icd ici ick icn ico ict icu idb idc idd idi idk idn ido idt idu iib iic iid iii iin iio iit iiu ikb ikc iki ikk iko ikt iku in- inb inc ind ini ink inn ino int inu io- iob ioc iod ioi ion ioo iot iou itb itc itd iti itk itn ito itt itu iu- iub iuc iud iui iut k-t kbb kbc kbd kbi kbk kbn kbo kbu kcb kcc kcd kci kck kcn kct kcu kdb kdc kdk kdo kdt kdu kib kic kid kii kik kin kio kit kiu kkb kkc kki kkk kkn kkt kku kn- knc knd kni knk knn kno knt knu kob koc kod koi kok kon koo kot kou ktb ktc ktk ktn kto ktt ktu kub kuc kud kui kuk kun kut kuu n-i nbb nbc nbd nbi nbk nbn nbo nbt nbu ncb ncc ncd nci nck ncn nco nct ncu ndb ndc ndd ndi ndk ndn ndo ndt ndu nib nic nid nii nik nin nio nit niu nkc nki nkk nkn nko nkt nku nnb nnc nni nnk nnn nno nnt nnu no- nob noc nod noi nok non noo not nou ntb ntc ntd nti ntk ntn nto ntt ntu nub nuc nud nui nuk nun nuo nut nuu o-i ob- obb obc obd obi obk obn obo obt obu oc- ocb occ ocd oci ock ocn oco oct ocu odb odc odd odi odn odo odt odu oib oic oid oii oik oin oio oit oiu okb okc okd oki okk oko oku on- onb onc ond oni onk onn ono ont onu oo- oob ooc ood ooi ook oon ooo oot ot- otb otc otd oti otk otn oto ott otu ou- ouc oud oui ouk oun ouo out tbb tbc tbd tbi tbk tbn tbo tbt tbu tcb tcc tcd tci tck tcn tco tct tcu tdb tdc tdd tdi tdk tdn tdo tdt tdu tib tic tid tii tik tin tio tit tiu tkb tkc tkk tko tkt tnb tnc tnd tni tnk tnn tno tnt to- tob toc tod toi tok ton too tot tou ttb ttc ttd tti ttk ttn tto ttt ttu tub tuc tud tui tuk tun tuo tut tuu ubb ubc ubi ubk ubn ubo ubt ubu ucb ucc ucd uci uck ucn uco uct ucu udb udc udd udi udk udn udo udt udu uib uic uid uii uin uio uit uiu ukb ukc uki ukk ukn uku un- unb unc und uni unk unn uno unt unu uob uoc uod uok uon uoo uot utb utc utd uti utk utn uto utt utu uuc uun uut uuu