ISOBATHIC

ab ah ai as at ba bi bo ha hi ho is it oh oi os sh si so ta ti to

abo abs act ahi ahs ais ait ash bah bas bat bio bis bit boa bos bot cab cat chi cis cob cos cot hao has hat hic his hit hob hos hot ich its oat oba obi oca ohs sab sac sat sha sib sic sit sob sot tab tao tas tho tic tis

abos acts ahis aits asci bach baht bait bash bast bath bats bias bios bits boas boat bosh bota both bots cabs cash cast cats chai chao chat chia chis chit ciao cist coat cobs cosh cost cots hast hats hist hits hobs host hots ibis ichs iota isba itch oast oath oats obas obia obis obit ocas ohia otic sati scab scat scot shat shit shot sith soba soca soth stab stoa stob tabs tach taco taos thio this tics tosh