-ic a-a a-b a-c a-i a-t aaa aab aac aad aai aan aao aar aat aau ab- aba abb abc abd abi abn abo abr abt abu ac- aca acb acc acd aci acn aco acr act acu ad- ada adb adc add adi adn ado adr adt adu ai- aia aib aic aid aii ain aio air ait aiu an- ana anb anc and ani ann ano anr ant anu aoa aob aoc aod aoi aon aoo aor aot aou ar- ara arb arc ard ari arn aro arr art aru at- ata atb atc atd ati atn ato atr att atu au- aua aub auc aud aui aun auo aur aut b-u baa bab bac bad bai ban bao bar bat bau bba bbb bbc bbd bbi bbn bbo bbr bbt bbu bca bcb bcc bcd bci bcn bco bcr bct bcu bda bdb bdc bdd bdi bdo bdr bdt bdu bi- bia bib bic bid bii bin bio bir bit biu bna bnb bnc bnd bni bnn bno bnr bnt bnu boa bob boc bod boi bon boo bor bot bou bra brb brd bri brn bro brr brt bru bta btb btc btd bti btn bto btr btt btu bua bub buc bud bui bun buo bur but buu c-- caa cab cac cad cai can cao car cat cau cba cbb cbc cbd cbi cbn cbo cbr cbt cbu cca ccb ccc ccd cci ccn cco ccr cct ccu cda cdb cdc cdd cdi cdn cdo cdr cdt cdu ci- cia cib cic cid cii cin cio cir cit ciu cn- cna cnb cnc cnd cni cnn cno cnr cnt cnu co- coa cob coc cod coi con coo cor cot cou cra crb crc crd cri crn cro crr crt cru cta ctb ctc ctd cti ctn cto ctr ctt ctu cua cub cuc cud cui cun cuo cur cut cuu daa dab dac dad dai dan dao dar dat dau dba dbb dbc dbd dbi dbn dbo dbr dbt dbu dca dcb dcc dcd dci dcn dco dcr dct dcu dda ddb ddc ddd ddi ddn ddo ddr ddt ddu di- dia dib dic did dii din dio dir dit diu dna dnb dnc dnd dni dnn dno dnr dnt doa dob doc dod doi don doo dor dot dou dra drb drc drd dri drn dro drr drt dru dta dtb dtc dtd dti dtn dto dtr dtt dtu dua dub duc dud dui dun duo dur dut i-d ia- iaa iab iac iad iai ian iao iar iat iau iba ibb ibc ibd ibi ibn ibo ibr ibt ibu ica icb icc icd ici icn ico icr ict icu ida idb idc idd idi idn ido idr idt idu iia iib iic iid iii iin iio iir iit iiu in- ina inb inc ind ini inn ino inr int inu io- ioa iob ioc iod ioi ion ioo ior iot iou ir- ira irb irc ird iri irn iro irr irt iru ita itb itc itd iti itn ito itt itu iu- iua iub iuc iud iui iur iut n-i naa nab nac nad nai nan nao nar nat nau nba nbb nbc nbd nbi nbn nbo nbr nbt nbu nca ncb ncc ncd nci ncn nco ncr nct ncu nda ndb ndc ndd ndi ndn ndo ndr ndt ndu nia nib nic nid nii nin nio nir nit niu nna nnb nnc nni nnn nno nnt nnu no- noa nob noc nod noi non noo nor not nou nra nrb nrc nrd nri nrn nro nrr nrt nru nta ntb ntc ntd nti ntn nto ntr ntt ntu nua nub nuc nud nui nun nuo nur nut nuu o-i oaa oab oac oad oai oan oao oar oat oau ob- oba obb obc obd obi obn obo obr obt obu oc- oca ocb occ ocd oci ocn oco ocr oct ocu oda odb odc odd odi odn odo odr odt odu oia oib oic oid oii oin oio oir oit oiu on- ona onb onc ond oni onn ono onr ont onu oo- ooa oob ooc ood ooi oon ooo oor oot or- ora orb orc ord ori orn oro orr ort oru ot- ota otb otc otd oti otn oto otr ott otu ou- oua ouc oud oui oun ouo our out ra- raa rab rac rad rai ran rao rar rat rau rba rbb rbc rbd rbi rbn rbo rbr rbt rbu rca rcb rcc rcd rci rcn rco rcr rct rcu rda rdb rdc rdd rdi rdn rdo rdr rdt rdu ria rib ric rid rii rin rio rir rit rna rnb rnc rnd rni rnn rno rnr rnt rnu roa rob roc rod roi ron roo ror rot rou rra rrb rrc rrd rri rrn rrr rrt rru rta rtb rtc rtd rti rtn rto rtr rtt rtu rua rub ruc rud rui run ruo rur rut ruu taa tab tac tad tai tan tao tar tat tau tba tbb tbc tbd tbi tbn tbo tbr tbt tbu tca tcb tcc tcd tci tcn tco tcr tct tcu tda tdb tdc tdd tdi tdn tdo tdr tdt tdu tia tib tic tid tii tin tio tir tit tiu tna tnb tnc tnd tni tnn tno tnr tnt to- toa tob toc tod toi ton too tor tot tou tra trb trc trd tri trn tro trr trt tru tta ttb ttc ttd tti ttn tto ttr ttt ttu tua tub tuc tud tui tun tuo tur tut tuu ua- uaa uab uac uad uai uan uao uar uat uau uba ubb ubc ubi ubn ubo ubr ubt ubu uca ucb ucc ucd uci ucn uco ucr uct ucu uda udb udc udd udi udn udo udr udt udu uia uib uic uid uii uin uio uir uit uiu un- una unb unc und uni unn uno unr unt unu uoa uob uoc uod uon uoo uor uot ur- ura urb urc urd uri urn uro urr