-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aao aar aas aat aau ab- aba abb abc abh abi abo abr abs abt abu ac- aca acb acc ach aci aco acr acs act acu aha ahb ahc ahh ahi aho ahr ahs aht ahu ai- aia aib aic aih aii aio air ais ait aiu aoa aob aoc aoh aoi aoo aor aos aot aou ar- ara arb arc arh ari aro arr ars art aru as- asa asb asc ash asi aso asr ass ast asu at- ata atb atc ath ati ato atr ats att atu au- aua aub auc auh aui auo aur aus aut b-u baa bab bac bah bai bao bar bas bat bau bba bbb bbc bbh bbi bbo bbr bbs bbt bbu bca bcb bcc bch bci bco bcr bcs bct bcu bha bhb bhc bhh bhi bho bhr bhs bht bhu bi- bia bib bic bih bii bio bir bis bit biu boa bob boc boh boi boo bor bos bot bou bra brb brh bri bro brr brs brt bru bsa bsb bsc bsh bsi bso bsr bss bst bsu bta btb btc bth bti bto btr bts btt btu bua bub buc buh bui buo bur bus but buu c-- caa cab cac cah cai cao car cas cat cau cba cbb cbc cbh cbi cbo cbr cbs cbt cbu cca ccb ccc cch cci cco ccr ccs cct ccu ch- cha chb chc chh chi cho chr chs cht chu ci- cia cib cic cih cii cio cir cis cit ciu co- coa cob coc coh coi coo cor cos cot cou cra crb crc crh cri cro crr crs crt cru csa csb csc csh csi cso csr css cst csu cta ctb ctc cth cti cto ctr cts ctt ctu cua cub cuc cuh cui cuo cur cus cut cuu h-i haa hab hac hah hai hao har has hat hau hba hbb hbc hbh hbi hbo hbr hbs hbt hbu hca hcb hcc hch hci hco hcr hcs hct hha hhb hhc hhh hhi hho hhr hhs hht hhu hia hib hic hih hii hio hir his hit hiu hoa hob hoc hoh hoi hoo hor hos hot hou hr- hra hrb hrc hrh hri hro hrr hrs hrt hru hsa hsb hsc hsh hsi hsr hss hst hsu hta htb htc hth hti hto htr hts htt hua hub huc huh hui huo hur hus hut huu ia- iaa iab iac iah iai iao iar ias iat iau iba ibb ibc ibh ibi ibo ibr ibs ibt ibu ica icb icc ich ici ico icr ics ict icu iha ihb ihc ihh ihi iho ihr ihs iht ihu iia iib iic iih iii iio iir iis iit iiu io- ioa iob ioc ioh ioi ioo ior ios iot iou ir- ira irb irc iri iro irr irs irt iru is- isa isb isc ish isi iso isr iss ist isu ita itb itc ith iti ito its itt itu iu- iua iub iuc iui iur ius iut o-i oaa oab oac oah oai oao oar oas oat oau ob- oba obb obc obh obi obo obr obs obt obu oc- oca ocb occ och oci oco ocr ocs oct ocu oha ohc ohh ohi oho ohr ohs oht ohu oia oib oic oii oio oir ois oit oiu oo- ooa oob ooc ooh ooi ooo oor oos oot or- ora orb orc orh ori oro orr ors ort oru os- osa osb osc osh osi oso osr oss ost osu ot- ota otb otc oth oti oto otr ots ott otu ou- oua ouc ouh oui ouo our ous out ra- raa rab rac rah rai rao rar ras rat rau rba rbb rbc rbh rbi rbo rbr rbs rbt rbu rca rcb rcc rch rci rco rcr rcs rct rcu rh- rha rhb rhc rhh rhi rho rhr rhs rht rhu ria rib ric rih rii rio rir ris rit roa rob roc roh roi roo ror ros rot rou rra rrb rrc rrh rri rrr rrs rrt rru rsa rsb rsc rsh rsi rso rsr rss rst rsu rta rtb rtc rti rto rtr rts rtt rtu rua rub ruc ruh rui ruo rur rus rut ruu saa sab sac sah sai sao sar sas sat sau sba sbb sbc sbh sbi sbo sbr sbs sbt sbu sca scb scc sch sci sco scr scs sct scu sh- sha shb shc shh shi sho shr shs sht shu sia sib sic sih sii sio sir sis sit siu soa sob soc soh soi soo sor sos sot sou sr- sra srb src srh sri sro srr srs srt ss- ssa ssb ssc ssh ssi sso ssr sss sst ssu sta stb stc sth sti sto str sts stt stu sua sub suc suh sui suo sur sus sut suu taa tab tac tah tai tao tar tas tat tau tba tbb tbc tbh tbi tbo tbr tbs tbt tbu tca tcb tcc tch tci tco tcr tcs tct tcu th- tha thb thc thh thi tho thr ths tht thu tia tib tic tih tii tio tir tis tit tiu to- toa tob toc toh toi too tor tos tot tou tra trb trc trh tri tro trr trs trt tru tsa tsb tsc tsh tsi tso tsr tss tst tsu tta ttb ttc tth tti tto ttr tts ttt ttu tua tub tuc tuh tui tuo tur tus tut tuu ua- uaa uab uac uah uai uao uar uas uat uau uba ubb ubc ubh ubi ubo ubr ubs ubt ubu uca ucb ucc uch uci uco ucr ucs uct ucu uha uhb uhc uhh uhi uho uhr uhs uht uhu uia uib uic uii uio uir uis uit uiu uoa uob uoc uoo uor uos uot ur- ura urb urc uri uro urr urs urt uru usa usb usc ush usi uso usr uss ust usu