-al -ic -ol a-a a-b a-c a-i aaa aab aac aad aai aal aao aap aar aas ab- aba abb abc abd abi abl abo abp abr abs ac- aca acb acc acd aci acl aco acp acr acs ad- ada adb adc add adi adl ado adp adr ads ai- aia aib aic aid aii ail aio aip air ais al- ala alb alc ald ali all alo alp alr als aoa aob aoc aod aoi aol aoo aop aor aos ap- apa apb apc apd api apl apo app apr aps ar- ara arb arc ard ari arl aro arp arr ars as- asa asb asc asd asi asl aso asp asr ass b-p baa bab bac bad bai bal bao bap bar bas bba bbb bbc bbd bbi bbl bbo bbp bbr bbs bca bcb bcc bcd bci bcl bco bcp bcr bcs bda bdb bdc bdd bdi bdl bdo bdp bdr bds bi- bia bib bic bid bii bil bio bip bir bis bla blb blc bld bli bll blo blp blr bls boa bob boc bod boi bol boo bop bor bos bpa bpb bpc bpd bpi bpl bpo bpp bpr bps bra brb brd bri brl bro brp brr brs bsa bsb bsc bsd bsi bsl bso bsp bsr bss c-- caa cab cac cad cai cal cao cap car cas cba cbb cbc cbd cbi cbl cbo cbp cbr cbs cca ccb ccc ccd cci ccl cco ccp ccr ccs cda cdb cdc cdd cdi cdl cdo cdp cdr cds ci- cia cib cic cid cii cil cio cip cir cis cl- cla clb clc cld cli cll clo clp clr cls co- coa cob coc cod coi col coo cop cor cos cpa cpb cpc cpd cpi cpl cpo cpp cpr cps cra crb crc crd cri crl cro crp crr crs csa csb csc csd csi csl cso csp csr css daa dab dac dad dai dal dao dap dar das dba dbb dbc dbd dbi dbl dbo dbp dbr dbs dca dcb dcc dcd dci dcl dco dcp dcr dcs dda ddb ddc ddd ddi ddl ddo ddp ddr dds di- dia dib dic did dii dil dio dip dir dis dl- dla dlb dlc dld dli dll dlo dlp dlr dls doa dob doc dod doi dol doo dop dor dos dpa dpb dpc dpd dpi dpl dpo dpp dpr dps dra drb drc drd dri drl dro drp drr drs dsa dsb dsc dsd dsi dsl dso dsp dsr dss i-d ia- iaa iab iac iad iai ial iao iap iar ias iba ibb ibc ibd ibi ibl ibo ibp ibr ibs ica icb icc icd ici icl ico icp icr ics ida idb idc idd idi idl ido idp idr ids iia iib iic iid iii iil iio iip iir iis il- ila ilb ilc ild ili ill ilo ilp ilr ils io- ioa iob ioc iod ioi iol ioo iop ior ios ipa ipb ipc ipd ipi ipl ipo ipp ipr ips ir- ira irb irc ird iri irl iro irp irr irs is- isa isb isc isd isi isl iso isp isr iss l-p la- laa lab lac lad lai lal lao lap lar las lba lbb lbc lbd lbi lbl lbo lbp lbr lbs lca lcb lcc lcd lci lcl lco lcp lcr lcs lda ldb ldc ldd ldi ldl ldo ldp ldr lds lia lib lic lid lii lil lio lip lir lis lla llb llc lld lli lll llo llp llr lls loa lob loc lod loi lol loo lop lor los lpa lpb lpc lpd lpi lpl lpo lpp lpr lps lra lrb lrc lrd lri lro lrp lrr lrs lsa lsb lsc lsd lsi lsl lso lsp lsr lss o-i oaa oab oac oad oai oal oao oap oar oas ob- oba obb obc obd obi obl obo obp obr obs oc- oca ocb occ ocd oci ocl oco ocp ocr ocs oda odb odc odd odi odl odo odp odr ods oia oib oic oid oii oil oio oip oir ois ola olb olc old oli oll olo olp ols oo- ooa oob ooc ood ooi ool ooo oop oor oos op- opa opb opc opd opi opl opo opp opr ops or- ora orb orc ord ori orl oro orp orr ors os- osa osb osc osd osi osl oso osp osr oss p-p paa pab pac pad pai pal pao pap par pas pba pbb pbc pbd pbi pbl pbo pbp pbr pbs pca pcb pcc pcd pci pcl pco pcp pcr pcs pda pdb pdc pdd pdi pdl pdo pdp pdr pds pia pib pic pid pii pil pio pip pir pis pla plb plc pld pli pll plo plp plr pls poa pob poc pod poi pol poo pop por pos ppa ppb ppc ppd ppi ppl ppo ppp ppr pps pra prb prc prd pri prl pro prp prr prs ps- psa psb psc psd psi psl pso psp psr pss ra- raa rab rac rad rai ral rao rap rar ras rba rbb rbc rbd rbi rbl rbo rbp rbr rbs rca rcb rcc rcd rci rcl rco rcp rcr rcs rda rdb rdc rdd rdi rdl rdo rdp rdr rds ria rib ric rid rii ril rio rip rir ris rla rlc rld rli rll rlo rlp rlr rls roa rob roc rod roi rol roo rop ror ros rpa rpb rpc rpd rpi rpl rpo rpp rpr rps rra rrb rrc rrd rri rrl rrp rrr rrs rsa rsb rsc rsd rsi rsl rso rsp rsr rss saa sab sac sad sai sal sao sap sar sas sba sbb sbc sbd sbi sbl sbo sbp sbr sbs sca scb scc scd sci scl sco scp scr scs sda sdb sdc sdd sdi sdl sdo sdp sdr sds sia sib sic sid sii sil sio sip sir sis sla slb slc sld sli sll slo slp slr sls soa sob soc sod