-ic a-a a-b a-c a-i a-t aaa aab aac aaf aai aam aao aar aas aat aau ab- aba abb abc abf abi abm abo abr abs abt abu ac- aca acb acc acf aci acm aco acr acs act acu af- afa afb afc aff afi afm afo afr afs aft afu ai- aia aib aic aif aii aim aio air ais ait aiu ama amb amc amf ami amm amo amr ams amt amu aoa aob aoc aof aoi aom aoo aor aos aot aou ar- ara arb arc arf ari arm aro arr ars art aru as- asa asb asc asf asi asm aso asr ass ast asu at- ata atb atc atf ati atm ato atr ats att atu au- aua aub auc auf aui aum auo aur aus aut b-u baa bab bac baf bai bam bao bar bas bat bau bba bbb bbc bbf bbi bbm bbo bbr bbs bbt bbu bca bcb bcc bcf bci bcm bco bcr bcs bct bcu bfa bfb bfc bff bfi bfm bfo bfr bfs bft bfu bi- bia bib bic bif bii bim bio bir bis bit biu bma bmb bmc bmf bmi bmm bmo bmr bms bmt bmu boa bob boc bof boi bom boo bor bos bot bou bra brb brf bri brm bro brr brs brt bru bsa bsb bsc bsf bsi bsm bso bsr bss bst bsu bta btb btc btf bti btm bto btr bts btt btu bua bub buc buf bui bum buo bur bus but buu c-- caa cab cac caf cai cam cao car cas cat cau cba cbb cbc cbf cbi cbm cbo cbr cbs cbt cbu cca ccb ccc ccf cci ccm cco ccr ccs cct ccu cfa cfb cfc cff cfi cfm cfo cfr cfs cft cfu ci- cia cib cic cif cii cim cio cir cis cit ciu cma cmb cmc cmf cmi cmm cmo cmr cms cmt cmu co- coa cob coc cof coi com coo cor cos cot cou cra crb crc crf cri crm cro crr crs crt cru csa csb csc csf csi csm cso csr css cst csu cta ctb ctc ctf cti ctm cto ctr cts ctt ctu cua cub cuc cuf cui cum cuo cur cus cut cuu faa fab fac faf fai fam fao far fas fat fau fba fbb fbc fbf fbi fbm fbo fbr fbs fbt fbu fca fcb fcc fcf fci fcm fco fcr fcs fct fcu ffa ffc fff ffi ffm ffo ffr ffs fft ffu fia fib fic fif fii fim fir fis fit fiu fma fmb fmc fmf fmi fmm fmo fmr fms fmt fmu foa fob foc fof foi fom foo for fos fot fou fra frb frc frf fri frm fro frr frs frt fru fsa fsb fsc fsf fsi fsm fso fsr fss fst fsu fta ftb ftc ftf fti ftm fto ftr fts ftt ftu fua fub fuf fui fum fuo fur fus fut fuu i-f ia- iaa iab iac iaf iai iam iao iar ias iat iau iba ibb ibc ibf ibi ibm ibo ibr ibs ibt ibu ica icb icc icf ici icm ico icr ics ict icu ifa ifb ifc iff ifi ifm ifo ifr ifs ift ifu iia iib iic iif iii iim iio iir iis iit iiu im- ima imb imc imf imi imm imo ims imt imu io- ioa iob ioc iof ioi iom ioo ior ios iot iou ir- ira irb irc irf iri irm iro irr irs irt iru is- isa isb isc isf isi ism iso isr iss ist isu ita itb itc itf iti itm ito its itt itu iu- iua iub iuc iui ium iur ius iut m-f m-o m-r maa mab mac maf mai mam mao mar mas mat mau mba mbb mbc mbf mbi mbm mbo mbr mbs mbt mbu mc- mca mcb mcc mcf mci mcm mco mcr mcs mct mcu mfa mfb mfc mff mfi mfm mfo mfr mfs mft mfu mi- mia mib mic mif mii mim mio mir mis mit miu mma mmb mmc mmf mmi mmm mmo mmr mms mmt mmu moa mob moc mof moi mom moo mor mos mot mou mra mrb mrc mrf mri mrm mro mrr mrs mrt mru msa msb msc msf msi msm mso msr mss mst msu mta mtb mtc mtf mti mtm mto mtr mts mtt mtu mua mub muc muf mui mum mur mus mut muu o-i oaa oab oac oaf oai oam oao oar oas oat oau ob- oba obb obc obf obi obm obo obr obs obt obu oc- oca ocb occ ocf oci ocm oco ocr ocs oct ocu of- ofa ofb ofc off ofi ofm ofo ofr ofs oft ofu oia oib oic oif oii oim oio oir ois oit oiu om- oma omb omc omf omi omm omo omr oms omt omu oo- ooa oob ooc oof ooi oom ooo oor oos oot or- ora orb orc orf ori orm oro orr ors ort oru os- osa osb osc osf osi osm oso osr oss ost osu ot- ota otb otc otf oti otm oto otr ots ott otu ou- oua ouc ouf oui oum ouo our ous out ra- raa rab rac raf rai ram rao rar ras rat rau rba rbb rbc rbf rbi rbm rbo rbr rbs rbt rbu rca rcb rcc rcf rci rcm rco rcr rcs rct rcu rfa rfb rfc rff rfi rfm rfo rfr rfs rft rfu ria rib ric rif rii rim rio rir ris rit rma rmb rmc rmf rmi rmm rmo rmr rms rmt roa rob roc rof roi rom roo ror ros rot rou rra rrb rrc rrf rri rrm rrr rrs rrt rru rsa rsb rsc rsf rsi rsm rso rsr rss rst rsu rta rtb rtc rtf rti rtm rto rtr rts rtt rtu rua rub ruc ruf rui rum ruo rur rus rut ruu saa sab sac saf sai sam sao