-ic a-a a-b a-c a-i a-t aaa aab aac aai aam aao aas aat aau ab- aba abb abc abi abm abo abs abt abu ac- aca acb acc aci acm aco acs act acu ai- aia aib aic aii aim aio ais ait aiu ama amb amc ami amm amo ams amt amu aoa aob aoc aoi aom aoo aos aot aou as- asa asb asc asi asm aso ass ast asu at- ata atb atc ati atm ato ats att atu au- aua aub auc aui aum auo aus aut b-u baa bab bac bai bam bao bas bat bau bba bbb bbc bbi bbm bbo bbs bbt bbu bca bcb bcc bci bcm bco bcs bct bcu bi- bia bib bic bii bim bio bis bit biu bma bmb bmc bmi bmm bmo bms bmt bmu boa bob boc boi bom boo bos bot bou bsa bsb bsc bsi bsm bso bss bst bsu bta btb btc bti btm bto bts btt btu bua bub buc bui bum buo bus but buu c-- caa cab cac cai cam cao cas cat cau cba cbb cbc cbi cbm cbo cbs cbt cbu cca ccb ccc cci ccm cco ccs cct ccu ci- cia cib cic cii cim cio cis cit ciu cma cmb cmc cmi cmm cmo cms cmt cmu co- coa cob coc coi com coo cos cot cou csa csb csc csi csm cso css cst csu cta ctb ctc cti ctm cto cts ctt ctu cua cub cuc cui cum cuo cus cut cuu ia- iaa iab iac iai iam iao ias iat iau iba ibb ibc ibi ibm ibo ibs ibt ibu ica icb icc ici icm ico ics ict icu iia iib iic iii iim iio iis iit iiu im- ima imb imc imi imm imo ims imt imu io- ioa iob ioc ioi iom ioo ios iot iou is- isa isb isc isi ism iso iss ist isu ita itb itc iti itm ito its itt itu iu- iua iub iuc iui ium ius iut m-o maa mab mac mai mam mao mas mat mau mba mbb mbc mbi mbm mbo mbs mbt mbu mc- mca mcb mcc mci mcm mco mcs mct mcu mi- mia mib mic mii mim mio mis mit miu mma mmb mmc mmi mmm mmo mms mmt mmu moa mob moc moi mom moo mos mot mou msa msb msc msi msm mso mss mst msu mta mtb mtc mti mtm mto mts mtt mtu mua mub muc mui mum mus mut muu o-i oaa oab oac oai oam oao oas oat oau ob- oba obb obc obi obm obo obs obt obu oc- oca ocb occ oci ocm oco ocs oct ocu oia oib oic oii oim oio ois oit oiu om- oma omb omc omi omm omo oms omt omu oo- ooa oob ooc ooi oom ooo oos oot os- osa osb osc osi osm oso oss ost osu ot- ota otb otc oti otm oto ots ott otu ou- oua ouc oui oum ouo ous out saa sab sac sai sam sao sas sat sau sba sbb sbc sbi sbm sbo sbs sbt sbu sca scb scc sci scm sco scs sct scu sia sib sic sii sim sio sis sit siu sma smb smc smi smm smo sms smt smu soa sob soc soi som soo sos sot sou ss- ssa ssb ssc ssi ssm sso sss sst ssu sta stb stc sti stm sto sts stt stu sua sub suc sui sum suo sus sut suu taa tab tac tai tam tao tas tat tau tba tbb tbc tbi tbm tbo tbs tbt tbu tca tcb tcc tci tcm tco tcs tct tcu tia tib tic tii tim tio tis tit tiu tma tmb tmc tmi tmm tmo tms tmt tmu to- toa tob toc toi tom too tos tot tou tsa tsb tsc tsi tsm tso tss tst tsu tta ttb ttc tti ttm tto tts ttt ttu tua tub tuc tui tum tuo tus tut tuu ua- uaa uab uac uai uam uao uas uat uau uba ubb ubc ubi ubo ubs ubt ubu uca ucb ucc uci ucm uco ucs uct ucu uia uib uic uii uim uio uis uit uiu um- uma umb umc umi umm umo ums umt umu uoa uob uoc uom uoo uos uot usa usb usc usi usm uso uss ust usu uta utb utc uti utm uto uts utt utu uua uuc uum uus uut uuu