-ic b-u bbb bbc bbd bbi bbm bbr bbu bcb bcc bcd bci bcm bcr bcu bdb bdc bdd bdi bdm bdr bdu bi- bib bic bid bii bim bir biu bmb bmc bmd bmi bmm bmr bmu brb brd bri brm brr bru bub buc bud bui bum bur buu c-- cbb cbc cbd cbi cbm cbr cbu ccb ccc ccd cci ccm ccr ccu cdb cdc cdd cdi cdm cdr cdu ci- cib cic cid cii cim cir ciu cmb cmc cmd cmi cmm cmr cmu crb crc crd cri crm crr cru cub cuc cud cui cum cur cuu dbb dbc dbd dbi dbm dbr dbu dcb dcc dcd dci dcm dcr dcu ddb ddc ddd ddi ddm ddr ddu di- dib dic did dii dim dir diu dmb dmc dmd dmi dmm dmr dmu drb drc drd dri drm drr dru dub duc dud dui dum dur i-d ibb ibc ibd ibi ibm ibr ibu icb icc icd ici icm icr icu idb idc idd idi idm idr idu iib iic iid iii iim iir iiu im- imb imc imd imi imm imu ir- irb irc ird iri irm irr iru iu- iub iuc iud iui ium iur m-r mbb mbc mbd mbi mbm mbr mbu mc- mcb mcc mcd mci mcm mcr mcu mdb mdc mdd mdi mdm mdr mdu mi- mib mic mid mii mim mir miu mmb mmc mmd mmi mmm mmr mmu mrb mrc mrd mri mrm mrr mru mub muc mud mui mum mur muu rbb rbc rbd rbi rbm rbr rbu rcb rcc rcd rci rcm rcr rcu rdb rdc rdd rdi rdm rdr rdu rib ric rid rii rim rir rmb rmc rmd rmi rmm rmr rrb rrc rrd rri rrm rrr rru rub ruc rud rui rum rur ruu ubb ubc ubi ubr ubu ucb ucc ucd uci ucm ucr ucu udb udc udd udi udm udr udu uib uic uid uii uim uir uiu um- umb umc umd umi umm umr umu ur- urb urc urd uri urm urr uru uuc uum uur uuu