-ic a-a a-b a-c a-i a-t aaa aab aac aaf aag aai aan aar aat aau ab- aba abb abc abf abg abi abn abr abt abu ac- aca acb acc acf acg aci acn acr act acu af- afa afb afc aff afg afi afn afr aft afu ag- aga agb agc agf agg agi agn agr agt agu ai- aia aib aic aif aig aii ain air ait aiu an- ana anb anc anf ang ani ann anr ant anu ar- ara arb arc arf arg ari arn arr art aru at- ata atb atc atf atg ati atn atr att atu au- aua aub auc auf aug aui aun aur aut b-u baa bab bac baf bag bai ban bar bat bau bba bbb bbc bbf bbg bbi bbn bbr bbt bbu bca bcb bcc bcf bcg bci bcn bcr bct bcu bfa bfb bfc bff bfg bfi bfn bfr bft bfu bga bgb bgc bgf bgg bgi bgn bgr bgt bgu bi- bia bib bic bif big bii bin bir bit biu bna bnb bnc bnf bng bni bnn bnr bnt bnu bra brb brf brg bri brn brr brt bru bta btb btc btf btg bti btn btr btt btu bua bub buc buf bug bui bun bur but buu c-- caa cab cac caf cag cai can car cat cau cba cbb cbc cbf cbg cbi cbn cbr cbt cbu cca ccb ccc ccf ccg cci ccn ccr cct ccu cfa cfb cfc cff cfg cfi cfn cfr cft cfu cga cgb cgc cgg cgi cgn cgr cgt cgu ci- cia cib cic cif cig cii cin cir cit ciu cn- cna cnb cnc cnf cng cni cnn cnr cnt cnu cra crb crc crf crg cri crn crr crt cru cta ctb ctc ctf ctg cti ctn ctr ctt ctu cua cub cuc cuf cug cui cun cur cut cuu faa fab fac faf fag fai fan far fat fau fba fbb fbc fbf fbg fbi fbn fbr fbt fbu fca fcb fcc fcf fcg fci fcn fcr fct fcu ffa ffc fff ffg ffi ffn ffr fft ffu fga fgb fgc fgf fgg fgi fgn fgr fgt fia fib fic fif fig fii fin fir fit fiu fna fnb fnc fnf fng fni fnn fnr fnt fnu fra frb frc frf frg fri frn frr frt fru fta ftb ftc ftf ftg fti ftn ftr ftt ftu fua fub fuf fug fui fun fur fut fuu gaa gab gac gaf gag gai gan gar gat gau gba gbc gbf gbg gbi gbn gbr gbt gbu gca gcb gcc gcf gcg gci gcn gcr gct gcu gfa gfb gfc gff gfi gfr gft gga ggb ggc ggg ggi ggn ggr ggt ggu gia gib gic gif gig gii gin gir git giu gna gnb gnc gnf gni gnn gnr gnt gnu gra grb grc grf grg gri grn grr grt gru gta gtb gtc gtf gtg gti gtn gtr gtt gtu gu- gua gub guc guf gug gui gun gur gut guu i-f ia- iaa iab iac iaf iag iai ian iar iat iau iba ibb ibc ibf ibg ibi ibn ibr ibt ibu ica icb icc icf icg ici icn icr ict icu ifa ifb ifc iff ifg ifi ifn ifr ift ifu iga igb igc igf igg igi ign igr igt igu iia iib iic iif iii iin iir iit iiu in- ina inb inc inf ing ini inn inr int inu ir- ira irb irc irf irg iri irn irr irt iru ita itb itc itf itg iti itn itt itu iu- iua iub iuc iug iui iur iut n-i naa nab nac naf nag nai nan nar nat nau nba nbb nbc nbf nbg nbi nbn nbr nbt nbu nca ncb ncc ncf ncg nci ncn ncr nct ncu nfa nfb nfc nff nfi nfn nfr nft nfu nga ngb ngc ngf ngg ngi ngn ngt ngu nia nib nic nif nig nii nin nir nit niu nna nnb nnc nnf nng nni nnn nnt nnu nra nrb nrc nrf nrg nri nrn nrr nrt nru nta ntb ntc ntf ntg nti ntn ntr ntt ntu nua nub nuc nug nui nun nur nut nuu ra- raa rab rac raf rag rai ran rar rat rau rba rbb rbc rbf rbg rbi rbn rbr rbt rbu rca rcb rcc rcf rcg rci rcn rcr rct rcu rfa rfb rfc rff rfg rfi rfn rfr rft rfu rga rgb rgc rgf rgg rgi rgn rgr rgt ria rib ric rif rig rii rin rir rit rna rnb rnc rng rni rnn rnr rnt rnu rra rrb rrc rrf rrg rri rrn rrr rrt rru rta rtb rtc rtf rtg rti rtn rtr rtt rtu rua rub ruc ruf rug rui run rur rut ruu taa tab tac taf tag tai tan tar tat tau tba tbb tbc tbf tbg tbi tbn tbr tbt tbu tca tcb tcc tcf tcg tci tcn tcr tct tcu tfa tfb tfc tff tfg tfi tfn tfr tft tfu tga tgb tgc tgf tgg tgi tgn tgr tgt tgu tia tib tic tif tig tii tin tir tit tiu tna tnb tnc tnf tng tni tnn tnr tnt tra trb trc trf trg tri trn trr trt tru tta ttb ttc ttf ttg tti ttn ttr ttt ttu tua tub tuc tuf tug tui tun tur tut tuu ua- uaa uab uac uaf uag uai uan uar uat uau uba ubb ubc ubf ubg ubi ubn ubr ubt ubu uca ucb ucc ucf ucg uci ucn ucr uct ucu ufa ufc uff ufg ufi ufn ufr uft ufu uga ugb ugc ugf ugg ugi ugn ugr ugt ugu uia uib uic uif uig uii uin uir uit uiu un- una unb unc unf ung uni unn unr unt unu ur- ura urb urc urf urg uri urn urr urt uru uta utb utc utf uti utn utr utt utu uua uuc uug uun uur uut