-ic a-a a-b a-c a-i aaa aab aac aad aai aam aar ab- aba abb abc abd abi abm abr ac- aca acb acc acd aci acm acr ad- ada adb adc add adi adm adr ai- aia aib aic aid aii aim air ama amb amc amd ami amm amr ar- ara arb arc ard ari arm arr baa bab bac bad bai bam bar bba bbb bbc bbd bbi bbm bbr bca bcb bcc bcd bci bcm bcr bda bdb bdc bdd bdi bdm bdr bi- bia bib bic bid bii bim bir bma bmb bmc bmd bmi bmm bmr bra brb brd bri brm brr c-- caa cab cac cad cai cam car cba cbb cbc cbd cbi cbm cbr cca ccb ccc ccd cci ccm ccr cda cdb cdc cdd cdi cdm cdr ci- cia cib cic cid cii cim cir cma cmb cmc cmd cmi cmm cmr cra crb crc crd cri crm crr daa dab dac dad dai dam dar dba dbb dbc dbd dbi dbm dbr dca dcb dcc dcd dci dcm dcr dda ddb ddc ddd ddi ddm ddr di- dia dib dic did dii dim dir dma dmb dmc dmd dmi dmm dmr dra drb drc drd dri drm drr i-d ia- iaa iab iac iad iai iam iar iba ibb ibc ibd ibi ibm ibr ica icb icc icd ici icm icr ida idb idc idd idi idm idr iia iib iic iid iii iim iir im- ima imb imc imd imi imm ir- ira irb irc ird iri irm irr m-r maa mab mac mad mai mam mar mba mbb mbc mbd mbi mbm mbr mc- mca mcb mcc mcd mci mcm mcr mda mdb mdc mdd mdi mdm mdr mi- mia mib mic mid mii mim mir mma mmb mmc mmd mmi mmm mmr mra mrb mrc mrd mri mrm mrr ra- raa rab rac rad rai ram rar rba rbb rbc rbd rbi rbm rbr rca rcb rcc rcd rci rcm rcr rda rdb rdc rdd rdi rdm rdr ria rib ric rid rii rim rir rma rmb rmc rmd rmi rmm rmr rra rrb rrc rrd rri rrm rrr