-al -ic -ol a-a a-b a-c a-i aaa aab aac aad aai aal aao aar ab- aba abb abc abd abi abl abo abr ac- aca acb acc acd aci acl aco acr ad- ada adb adc add adi adl ado adr ai- aia aib aic aid aii ail aio air al- ala alb alc ald ali all alo alr aoa aob aoc aod aoi aol aoo aor ar- ara arb arc ard ari arl aro arr baa bab bac bad bai bal bao bar bba bbb bbc bbd bbi bbl bbo bbr bca bcb bcc bcd bci bcl bco bcr bda bdb bdc bdd bdi bdl bdo bdr bi- bia bib bic bid bii bil bio bir bla blb blc bld bli bll blo blr boa bob boc bod boi bol boo bor bra brb brd bri brl bro brr c-- caa cab cac cad cai cal cao car cba cbb cbc cbd cbi cbl cbo cbr cca ccb ccc ccd cci ccl cco ccr cda cdb cdc cdd cdi cdl cdo cdr ci- cia cib cic cid cii cil cio cir cl- cla clb clc cld cli cll clo clr co- coa cob coc cod coi col coo cor cra crb crc crd cri crl cro crr daa dab dac dad dai dal dao dar dba dbb dbc dbd dbi dbl dbo dbr dca dcb dcc dcd dci dcl dco dcr dda ddb ddc ddd ddi ddl ddo ddr di- dia dib dic did dii dil dio dir dl- dla dlb dlc dld dli dll dlo dlr doa dob doc dod doi dol doo dor dra drb drc drd dri drl dro drr i-d ia- iaa iab iac iad iai ial iao iar iba ibb ibc ibd ibi ibl ibo ibr ica icb icc icd ici icl ico icr ida idb idc idd idi idl ido idr iia iib iic iid iii iil iio iir il- ila ilb ilc ild ili ill ilo ilr io- ioa iob ioc iod ioi iol ioo ior ir- ira irb irc ird iri irl iro irr la- laa lab lac lad lai lal lao lar lba lbb lbc lbd lbi lbl lbo lbr lca lcb lcc lcd lci lcl lco lcr lda ldb ldc ldd ldi ldl ldo ldr lia lib lic lid lii lil lio lir lla llb llc lld lli lll llo llr loa lob loc lod loi lol loo lor lra lrb lrc lrd lri lro lrr o-i oaa oab oac oad oai oal oao oar ob- oba obb obc obd obi obl obo obr oc- oca ocb occ ocd oci ocl oco ocr oda odb odc odd odi odl odo odr oia oib oic oid oii oil oio oir ola olb olc old oli oll olo oo- ooa oob ooc ood ooi ool ooo oor or- ora orb orc ord ori orl oro orr ra- raa rab rac rad rai ral rao rar rba rbb rbc rbd rbi rbl rbo rbr rca rcb rcc rcd rci rcl rco rcr rda rdb rdc rdd rdi rdl rdo rdr ria rib ric rid rii ril rio rir rla rlc rld rli rll rlo rlr roa rob roc rod roi rol roo ror rra rrb rrc rrd rri rrl rrr