-ic a-a a-b a-c a-i a-t aaa aab aac aad aai aan aao aap aar aat ab- aba abb abc abd abi abn abo abp abr abt ac- aca acb acc acd aci acn aco acp acr act ad- ada adb adc add adi adn ado adp adr adt ai- aia aib aic aid aii ain aio aip air ait an- ana anb anc and ani ann ano anp anr ant aoa aob aoc aod aoi aon aoo aop aor aot ap- apa apb apc apd api apn apo app apr apt ar- ara arb arc ard ari arn aro arp arr art at- ata atb atc atd ati atn ato atp atr att b-p baa bab bac bad bai ban bao bap bar bat bba bbb bbc bbd bbi bbn bbo bbp bbr bbt bca bcb bcc bcd bci bcn bco bcp bcr bct bda bdb bdc bdd bdi bdo bdp bdr bdt bi- bia bib bic bid bii bin bio bip bir bit bna bnb bnc bnd bni bnn bno bnp bnr bnt boa bob boc bod boi bon boo bop bor bot bpa bpb bpc bpd bpi bpn bpo bpp bpr bpt bra brb brd bri brn bro brp brr brt bta btb btc btd bti btn bto btp btr btt c-- caa cab cac cad cai can cao cap car cat cba cbb cbc cbd cbi cbn cbo cbp cbr cbt cca ccb ccc ccd cci ccn cco ccp ccr cct cda cdb cdc cdd cdi cdn cdo cdp cdr cdt ci- cia cib cic cid cii cin cio cip cir cit cn- cna cnb cnc cnd cni cnn cno cnp cnr cnt co- coa cob coc cod coi con coo cop cor cot cpa cpb cpc cpd cpi cpn cpo cpp cpr cpt cra crb crc crd cri crn cro crp crr crt cta ctb ctc ctd cti ctn cto ctp ctr ctt daa dab dac dad dai dan dao dap dar dat dba dbb dbc dbd dbi dbn dbo dbp dbr dbt dca dcb dcc dcd dci dcn dco dcp dcr dct dda ddb ddc ddd ddi ddn ddo ddp ddr ddt di- dia dib dic did dii din dio dip dir dit dna dnb dnc dnd dni dnn dno dnp dnr dnt doa dob doc dod doi don doo dop dor dot dpa dpb dpc dpd dpi dpn dpo dpp dpr dpt dra drb drc drd dri drn dro drp drr drt dta dtb dtc dtd dti dtn dto dtp dtr dtt i-d ia- iaa iab iac iad iai ian iao iap iar iat iba ibb ibc ibd ibi ibn ibo ibp ibr ibt ica icb icc icd ici icn ico icp icr ict ida idb idc idd idi idn ido idp idr idt iia iib iic iid iii iin iio iip iir iit in- ina inb inc ind ini inn ino inp inr int io- ioa iob ioc iod ioi ion ioo iop ior iot ipa ipb ipc ipd ipi ipn ipo ipp ipr ipt ir- ira irb irc ird iri irn iro irp irr irt ita itb itc itd iti itn ito itp itt n-i naa nab nac nad nai nan nao nap nar nat nba nbb nbc nbd nbi nbn nbo nbp nbr nbt nca ncb ncc ncd nci ncn nco ncp ncr nct nda ndb ndc ndd ndi ndn ndo ndp ndr ndt nia nib nic nid nii nin nio nip nir nit nna nnb nnc nni nnn nno nnp nnt no- noa nob noc nod noi non noo nop nor not npa npb npc npd npi npn npo npp npr npt nra nrb nrc nrd nri nrn nro nrp nrr nrt nta ntb ntc ntd nti ntn nto ntp ntr ntt o-i oaa oab oac oad oai oan oao oap oar oat ob- oba obb obc obd obi obn obo obp obr obt oc- oca ocb occ ocd oci ocn oco ocp ocr oct oda odb odc odd odi odn odo odp odr odt oia oib oic oid oii oin oio oip oir oit on- ona onb onc ond oni onn ono onp onr ont oo- ooa oob ooc ood ooi oon ooo oop oor oot op- opa opb opc opd opi opn opo opp opr opt or- ora orb orc ord ori orn oro orp orr ort ot- ota otb otc otd oti otn oto otp otr ott p-p paa pab pac pad pai pan pao pap par pat pba pbb pbc pbd pbi pbn pbo pbp pbr pbt pca pcb pcc pcd pci pcn pco pcp pcr pct pda pdb pdc pdd pdi pdn pdo pdp pdr pdt pia pib pic pid pii pin pio pip pir pit pn- pna pnb pnc pnd pni pnn pno pnp pnr pnt poa pob poc pod poi pon poo pop por pot ppa ppb ppc ppd ppi ppn ppo ppp ppr ppt pra prb prc prd pri prn pro prp prr prt pt- pta ptb ptc ptd pti ptn pto ptp ptr ptt ra- raa rab rac rad rai ran rao rap rar rat rba rbb rbc rbd rbi rbn rbo rbp rbr rbt rca rcb rcc rcd rci rcn rco rcp rcr rct rda rdb rdc rdd rdi rdn rdo rdp rdr rdt ria rib ric rid rii rin rio rip rir rit rna rnb rnc rnd rni rnn rno rnp rnr rnt roa rob roc rod roi ron roo rop ror rot rpa rpb rpc rpd rpi rpn rpo rpp rpr rpt rra rrb rrc rrd rri rrn rrp rrr rrt rta rtb rtc rtd rti rtn rto rtp rtr rtt taa tab tac tad tai tan tao tap tar tat tba tbb tbc tbd tbi tbn tbo tbp tbr tbt tca tcb tcc tcd tci tcn tco tcp tcr tct tda tdb tdc tdd tdi tdn tdo tdp tdr tdt tia tib tic tid tii tin tio tip tir tit tna tnb tnc tnd tni tnn tno tnp tnr tnt to- toa tob toc tod toi