-al a-a a-b a-c aaa aab aac aad aal aam aar aau ab- aba abb abc abd abl abm abr abu ac- aca acb acc acd acl acm acr acu ad- ada adb adc add adl adm adr adu al- ala alb alc ald all alm alr alu ama amb amc amd aml amm amr amu ar- ara arb arc ard arl arm arr aru au- aua aub auc aud aul aum aur b-u baa bab bac bad bal bam bar bau bba bbb bbc bbd bbl bbm bbr bbu bca bcb bcc bcd bcl bcm bcr bcu bda bdb bdc bdd bdl bdm bdr bdu bla blb blc bld bll blm blr blu bma bmb bmc bmd bml bmm bmr bmu bra brb brd brl brm brr bru bua bub buc bud bul bum bur buu c-- caa cab cac cad cal cam car cau cba cbb cbc cbd cbl cbm cbr cbu cca ccb ccc ccd ccl ccm ccr ccu cda cdb cdc cdd cdl cdm cdr cdu cl- cla clb clc cld cll clm clr clu cma cmb cmc cmd cml cmm cmr cmu cra crb crc crd crl crm crr cru cua cub cuc cud cul cum cur cuu daa dab dac dad dal dam dar dau dba dbb dbc dbd dbl dbm dbr dbu dca dcb dcc dcd dcl dcm dcr dcu dda ddb ddc ddd ddl ddm ddr ddu dl- dla dlb dlc dld dll dlm dlr dlu dma dmb dmc dmd dml dmm dmr dmu dra drb drc drd drl drm drr dru dua dub duc dud dul dum dur la- laa lab lac lad lal lam lar lau lba lbb lbc lbd lbl lbm lbr lbu lca lcb lcc lcd lcl lcm lcr lcu lda ldb ldc ldd ldl ldm ldr ldu lla llb llc lld lll llm llr llu lma lmb lmc lmd lml lmm lmr lmu lra lrb lrc lrd lrm lrr lru lua lub luc lud lul lum lur luu m-r maa mab mac mad mal mam mar mau mba mbb mbc mbd mbl mbm mbr mbu mc- mca mcb mcc mcd mcl mcm mcr mcu mda mdb mdc mdd mdl mdm mdr mdu mla mlb mlc mld mll mlm mlr mlu mma mmb mmc mmd mml mmm mmr mmu mra mrb mrc mrd mrl mrm mrr mru mua mub muc mud mul mum mur muu ra- raa rab rac rad ral ram rar rau rba rbb rbc rbd rbl rbm rbr rbu rca rcb rcc rcd rcl rcm rcr rcu rda rdb rdc rdd rdl rdm rdr rdu rla rlc rld rll rlm rlr rlu rma rmb rmc rmd rml rmm rmr rra rrb rrc rrd rrl rrm rrr rru rua rub ruc rud rum rur ruu ua- uaa uab uac uad ual uam uar uau uba ubb ubc ubl ubr ubu uca ucb ucc ucd ucl ucm ucr ucu uda udb udc udd udl udm udr udu ula ulb ulc uld ull ulm ulr ulu um- uma umb umc umd uml umm umr umu ur- ura urb urc urd url urm urr uru uua uuc uum uur uuu