-er -ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aak aar aas aat aau ab- aba abb abc abe abh abi abk abr abs abt abu ac- aca acb acc ace ach aci ack acr acs act acu aea aeb aec aee aeh aei aek aer aes aet aeu aha ahb ahc ahe ahh ahi ahk ahr ahs aht ahu ai- aia aib aic aie aih aii aik air ais ait aiu aka akb akc ake akh aki akk akr aks aku ar- ara arb arc are arh ari ark arr ars art aru as- asa asb asc ase ash asi ask asr ass ast asu at- ata atb atc ate ath ati atr ats att atu au- aua aub auc aue auh aui auk aur aus aut b-u baa bab bac bae bah bai bak bar bas bat bau bba bbb bbc bbe bbh bbi bbk bbr bbs bbt bbu bca bcb bcc bce bch bci bck bcr bcs bct bcu be- bea beb bec bee beh bei bek ber bes bet beu bha bhb bhc bhe bhh bhi bhk bhr bhs bht bhu bi- bia bib bic bie bih bii bik bir bis bit biu bka bkb bkc bke bkk bkr bks bkt bra brb bre brh bri brk brr brs brt bru bsa bsb bsc bse bsh bsi bsk bsr bss bst bsu bta btb btc bte bth bti btk btr bts btt btu bua bub buc bue buh bui buk bur bus but buu c-- caa cab cac cae cah cai cak car cas cat cau cba cbb cbc cbe cbh cbi cbk cbr cbs cbt cbu cca ccb ccc cce cch cci cck ccr ccs cct ccu ce- cea ceb cec cee ceh cei cek cer ces cet ceu ch- cha chb chc che chh chi chk chr chs cht chu ci- cia cib cic cie cih cii cik cir cis cit ciu cka ckb ckc ckh cki cks ckt cra crb crc cre crh cri crk crr crs crt cru csa csb csc cse csh csi csk csr css cst csu cta ctb ctc cte cth cti ctk ctr cts ctt ctu cua cub cuc cue cuh cui cuk cur cus cut cuu eaa eab eac eae eah eai eak ear eas eat eau eba ebb ebc ebe ebh ebi ebk ebr ebs ebt ebu ec- eca ecb ecc ece ech eci eck ecr ecs ect ecu eea eeb eec eee eek eer ees eet eha ehb ehc ehe ehh ehi ehr ehs eht ehu eia eib eic eie eii eik eir eis eit eiu eka ekb ekc eke ekh eki ekr eks ekt eku era erb erc ere erh eri erk err ers ert eru es- esa esb esc ese esh esi esk esr ess est esu eta etb etc ete eth eti etk etr ets ett etu eu- eua eub euc eue eui eur eus eut h-i haa hab hac hae hah hai hak har has hat hau hba hbb hbc hbe hbh hbi hbk hbr hbs hbt hbu hca hcb hcc hce hch hci hck hcr hcs hct he- hea heb hec hee heh hei hek her hes het heu hha hhb hhc hhe hhh hhi hhk hhr hhs hht hhu hia hib hic hie hih hii hik hir his hit hiu hka hkb hkh hki hkk hkr hks hkt hku hr- hra hrb hrc hre hrh hri hrk hrr hrs hrt hru hsa hsb hsc hse hsh hsi hsk hsr hss hst hsu hta htb htc hte hth hti htk htr hts htt hua hub huc hue huh hui huk hur hus hut huu ia- iaa iab iac iae iah iai iar ias iat iau iba ibb ibc ibe ibh ibi ibk ibr ibs ibt ibu ica icb icc ice ich ici ick icr ics ict icu ie- iea iec iee iei iek ier ies iet iha ihb ihc ihe ihh ihi ihk ihr ihs iht ihu iia iib iic iie iih iii iir iis iit iiu ika ikb ikc ike iki ikk ikr iks ikt iku ir- ira irb irc ire iri irk irr irs irt iru is- isa isb isc ise ish isi isk isr iss ist isu ita itb itc ite ith iti itk its itt itu iu- iua iub iuc iue iui iur ius iut k-t ka- kaa kab kac kae kah kai kak kar kas kat kau kba kbb kbc kbe kbh kbi kbk kbr kbs kbu kca kcb kcc kce kch kci kck kcr kcs kct kcu ke- kea keb kec kee keh kei kek ker kes ket kha khe khh khi khk khr khs khu kia kib kic kie kih kii kik kir kis kit kiu kkb kkc kke kkh kki kkk kkr kks kkt kku kra krc kri krk krr krs krt kru ksa ksb ksc kse ksh ksi ksk ksr kss kst ksu kta ktb ktc kte kth ktk ktr kts ktt ktu kub kuc kue kuh kui kuk kur kus kut kuu ra- raa rab rac rae rah rai rak rar ras rat rau rba rbb rbc rbe rbh rbi rbk rbr rbs rbt rbu rca rcb rcc rce rch rci rcr rcs rct rcu re- rea reb rec ree reh rei rek rer res ret reu rh- rha rhb rhc rhe rhh rhi rhr rhs rht rhu ria rib ric rie rih rii rik rir ris rit rkb rkc rke rkk rks rkt rku rra rrb rrc rrh rri rrk rrr rrs rrt rru rsa rsb rsc rse rsh rsi rsk rsr rss rst rsu rta rtb rtc rte rti rtk rtr rts rtt rtu rua rub ruc rue ruh rui ruk rur rus rut ruu saa sab sac sae sah sai sak sar sas sat sau sba sbb sbc sbe sbh sbi sbk sbr sbs sbt sbu sca scb scc sce sch sci sck scr scs sct scu se- sea seb sec see seh sei sek ser ses set seu sh- sha shb