-ic a-a a-b a-c a-i aaa aab aac aad aai aam aan aao aar ab- aba abb abc abd abi abm abn abo abr ac- aca acb acc acd aci acm acn aco acr ad- ada adb adc add adi adm adn ado adr ai- aia aib aic aid aii aim ain aio air ama amb amc amd ami amm amn amo amr an- ana anb anc and ani anm ann ano anr aoa aob aoc aod aoi aom aon aoo aor ar- ara arb arc ard ari arm arn aro arr baa bab bac bad bai bam ban bao bar bba bbb bbc bbd bbi bbm bbn bbo bbr bca bcb bcc bcd bci bcm bcn bco bcr bda bdb bdc bdd bdi bdm bdo bdr bi- bia bib bic bid bii bim bin bio bir bma bmb bmc bmd bmi bmm bmn bmo bmr bna bnb bnc bnd bni bnn bno bnr boa bob boc bod boi bom bon boo bor bra brb brd bri brm brn bro brr c-- caa cab cac cad cai cam can cao car cba cbb cbc cbd cbi cbm cbn cbo cbr cca ccb ccc ccd cci ccm ccn cco ccr cda cdb cdc cdd cdi cdm cdn cdo cdr ci- cia cib cic cid cii cim cin cio cir cma cmb cmc cmd cmi cmm cmn cmo cmr cn- cna cnb cnc cnd cni cnm cnn cno cnr co- coa cob coc cod coi com con coo cor cra crb crc crd cri crm crn cro crr daa dab dac dad dai dam dan dao dar dba dbb dbc dbd dbi dbm dbn dbo dbr dca dcb dcc dcd dci dcm dcn dco dcr dda ddb ddc ddd ddi ddm ddn ddo ddr di- dia dib dic did dii dim din dio dir dma dmb dmc dmd dmi dmm dmn dmo dmr dna dnb dnc dnd dni dnm dnn dno dnr doa dob doc dod doi dom don doo dor dra drb drc drd dri drm drn dro drr i-d ia- iaa iab iac iad iai iam ian iao iar iba ibb ibc ibd ibi ibm ibn ibo ibr ica icb icc icd ici icm icn ico icr ida idb idc idd idi idm idn ido idr iia iib iic iid iii iim iin iio iir im- ima imb imc imd imi imm imn imo in- ina inb inc ind ini inm inn ino inr io- ioa iob ioc iod ioi iom ion ioo ior ir- ira irb irc ird iri irm irn iro irr m-o m-r maa mab mac mad mai mam man mao mar mba mbb mbc mbd mbi mbm mbo mbr mc- mca mcb mcc mcd mci mcm mcn mco mcr mda mdb mdc mdd mdi mdm mdn mdo mdr mi- mia mib mic mid mii mim min mio mir mma mmb mmc mmd mmi mmm mmn mmo mmr mna mnb mnc mni mnm mnn mno mnr moa mob moc mod moi mom mon moo mor mra mrb mrc mrd mri mrm mrn mro mrr n-i naa nab nac nad nai nam nan nao nar nba nbb nbc nbd nbi nbm nbn nbo nbr nca ncb ncc ncd nci ncm ncn nco ncr nda ndb ndc ndd ndi ndm ndn ndo ndr nia nib nic nid nii nim nin nio nir nma nmb nmc nmd nmi nmm nmn nmo nmr nna nnb nnc nni nnm nnn nno no- noa nob noc nod noi nom non noo nor nra nrb nrc nrd nri nrm nrn nro nrr o-i oaa oab oac oad oai oam oan oao oar ob- oba obb obc obd obi obm obn obo obr oc- oca ocb occ ocd oci ocm ocn oco ocr oda odb odc odd odi odm odn odo odr oia oib oic oid oii oim oin oio oir om- oma omb omc omd omi omm omn omo omr on- ona onb onc ond oni onn ono onr oo- ooa oob ooc ood ooi oom oon ooo oor or- ora orb orc ord ori orm orn oro orr ra- raa rab rac rad rai ram ran rao rar rba rbb rbc rbd rbi rbm rbn rbo rbr rca rcb rcc rcd rci rcm rcn rco rcr rda rdb rdc rdd rdi rdm rdn rdo rdr ria rib ric rid rii rim rin rio rir rma rmb rmc rmd rmi rmm rmn rmo rmr rna rnb rnc rnd rni rnm rnn rno rnr roa rob roc rod roi rom ron roo ror rra rrb rrc rrd rri rrm rrn rrr