-ic b-u bbb bbc bbd bbi bbk bbm bbr bbu bcb bcc bcd bci bck bcm bcr bcu bdb bdc bdd bdi bdk bdm bdr bdu bi- bib bic bid bii bik bim bir biu bkb bkc bkk bkm bkr bmb bmc bmd bmi bmk bmm bmr bmu brb brd bri brk brm brr bru bub buc bud bui buk bum bur buu c-- cbb cbc cbd cbi cbk cbm cbr cbu ccb ccc ccd cci cck ccm ccr ccu cdb cdc cdd cdi cdk cdm cdr cdu ci- cib cic cid cii cik cim cir ciu ckb ckc ckd cki ckm cmb cmc cmd cmi cmk cmm cmr cmu crb crc crd cri crk crm crr cru cub cuc cud cui cuk cum cur cuu dbb dbc dbd dbi dbk dbm dbr dbu dcb dcc dcd dci dck dcm dcr dcu ddb ddc ddd ddi ddk ddm ddr ddu di- dib dic did dii dik dim dir diu dkb dkc dki dkk dkm dkr dku dmb dmc dmd dmi dmk dmm dmr dmu drb drc drd dri drk drm drr dru dub duc dud dui duk dum dur i-d ibb ibc ibd ibi ibk ibm ibr ibu icb icc icd ici ick icm icr icu idb idc idd idi idk idm idr idu iib iic iid iii iim iir iiu ikb ikc iki ikk ikr iku im- imb imc imd imi imm imu ir- irb irc ird iri irk irm irr iru iu- iub iuc iud iui ium iur kbb kbc kbd kbi kbk kbm kbr kbu kcb kcc kcd kci kck kcm kcr kcu kdb kdc kdk kdm kdr kdu kib kic kid kii kik kim kir kiu kkb kkc kki kkk kkm kkr kku kmb kmc kmd kmi kmk kmm kmu krc krd kri krk krr kru kub kuc kud kui kuk kum kur kuu m-r mbb mbc mbd mbi mbk mbm mbr mbu mc- mcb mcc mcd mci mck mcm mcr mcu mdb mdc mdd mdi mdk mdm mdr mdu mi- mib mic mid mii mik mim mir miu mkb mkc mkd mkk mkm mkr mku mmb mmc mmd mmi mmk mmm mmr mmu mrb mrc mrd mri mrk mrm mrr mru mub muc mud mui muk mum mur muu rbb rbc rbd rbi rbk rbm rbr rbu rcb rcc rcd rci rcm rcr rcu rdb rdc rdd rdi rdm rdr rdu rib ric rid rii rik rim rir rkb rkc rkk rkm rku rmb rmc rmd rmi rmm rmr rrb rrc rrd rri rrk rrm rrr rru rub ruc rud rui ruk rum rur ruu ubb ubc ubi ubk ubr ubu ucb ucc ucd uci uck ucm ucr ucu udb udc udd udi udk udm udr udu uib uic uid uii uim uir uiu ukb ukc uki ukk ukr uku um- umb umc umd umi umm umr umu ur- urb urc urd uri urk urm urr uru uuc uum uur uuu